Mississippi River

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Mississippi River
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{{pp-semi-indef}}{{short description|largest river system in North America}}{{about||a different river in Canada|Mississippi River (Ontario)|other uses of "Mississippi"|Mississippi (disambiguation)}}{{Use mdy dates|date=July 2017}}

, Dakota language>Dakota: MníšoÅ¡ethÄ…kaHTTP://ZIA.AISRI.INDIANA.EDU/~DICTSEARCH/CGI-BIN/TESTENGLTOXSRCHNP.PL?HOST=ZIA&PASS=&HASFONT=0&SRCHLANG=ENGLISH&SRCHSTRING=RIVER&DATABASE=DAKOT&SRCHTYPE=OR&SORTLANG=ENGLISH&SNDFORMAT=RA&MAXHITS=200&FIND=RUN_SEARCH>TITLE=AISRI DICTIONARY DATABASE SEARCHMiami-Illinois language>Myaamia: Mihsi-siipiiwiHTTPS://WWW.MYAAMIADICTIONARY.ORG/DICTIONARY2015/SEARCH/SEARCH.PHP?SEARCH=MISSISSIPPI%20RIVER&STEM=STEM&INFLECTED=INFLECTED&SENTENCES=SENTENCES&COMMAND=COMMAND&LANGUAGE=BOTH&WEBSITE=T>TITLE=MYAAMIA DICTIONARY SEARCHACCESSDATE=AUGUST 19, 2016, , Cheyenne language: Ma'xeé'ometāā'e,HTTP://WWW.CDKC.EDU/CHEYENNEDICTIONARY/INDEX-ENGLISH/INDEX.HTMPUBLISHER=Kiowa language>Kiowa: XósáuHTTP://WWW.OU.EDU/KIOWADICTIONARY/INDEX-ENGLISH/MAIN.HTM>TITLE=ENGLISH – KIOWAACCESSDATE=AUGUST 19, 2016, , Arapaho language: BeesniicieHTTP://WWW.COLORADO.EDU/CSILW/ARCHIVES/PLACENAMES0626.XMLPUBLISHER=, , Pawnee language: KickaátitHTTP://ZIA.AISRI.INDIANA.EDU/~DICTSEARCH/CGI-BIN/TESTENGLTOXSRCHNP.PL?HOST=ZIA&PASS=&HASFONT=0&SRCHLANG=ENGLISH&SRCHSTRING=RIVER&DATABASE=SOUTH&SRCHTYPE=AND&SORTLANG=ENGLISH&SNDFORMAT=RA&MAXHITS=200&FIND=RUN_SEARCHPUBLISHER=, Ojibwe language>Ojibwe Misi-ziibi, meaning "Great River"| nickname = "Old Man River," "Father of Waters"James L. Shaffer and John T. Tigges. The Mississippi River: Father of Waters. Chicago, Ill.: Arcadia Pub., 2000.The Upper Mississippi River Basin: A Portrait of the Father of Waters As Seen by the Upper Mississippi River Comprehensive Basin Study. Chicago, Ill.: Army Corps of Engineers, North Central Division, 1972.Heilbron, Bertha L. "Father of Waters: Four Centuries of the Mississippi". American Heritage, vol. 2, no. 1 (Autumn 1950): 40–43.| image = Efmo View from Fire Point.jpg| image_caption = Mississippi River near Fire Point in Effigy Mounds National Monument, Iowa| image_size = 300| map = Mississippiriver-new-01.png| map_size = 300| map_caption = Mississippi River basin| pushpin_map =| pushpin_map_size =| pushpin_map_caption=| subdivision_type1 = Country| subdivision_name1 = United States| subdivision_type2 = State| subdivision_name2 = Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, Louisiana| subdivision_type3 =| subdivision_name3 =| subdivision_type4 =| subdivision_name4 =| subdivision_type5 = CitiesSaint Cloud, Minnesota>Saint Cloud, MN, Minneapolis, Saint Paul, Minnesota>St. Paul, MN, La Crosse, Wisconsin, Quad Cities>Quad Cities, IA/IL, St. Louis, Missouri, Memphis, Tennessee>Memphis, TN, Baton Rouge, Louisiana, New Orleans>New Orleans, LA2320km|abbr=on}}| width_min =| width_avg =| width_max =| depth_min =| depth_avg =| depth_max =Baton Rouge, Louisiana>Baton Rouge, LAWEB, J.C., Kammerer,weblink Largest Rivers in the United States, U.S. Geological Survey, May 1990, February 22, 2011, 159000m3/s|abbr=on}}593000m3/s|abbr=on}}WEB, J.C., Kammerer,weblink Largest Body of water in the United States, U.S. Geological Survey, May 1990, February 22, 2011, 3065000m3/s|abbr=on}}St. LouisMedian of the 14,610 daily streamflows recorded by the United States Geological Survey>USGS for the period 1967–2006.| discharge2_min =168000m3/sUnited States Geological Survey>USGS for the period 1967–2006.| discharge2_max =Lake ItascaThe United States Geological Survey recognizes two contrasting definitions of a river's Source (river or stream)> By the stricter definition, the Mississippi would share its source with its longest tributary, the Missouri, at Brower's Spring in Montana. The other definition acknowledges "somewhat arbitrary decisions" and places the Mississippi's source at Lake Itasca, which is publicly accepted as the source, and which had been identified as such by Brower himself.MT.govItasca State Park, Clearwater County, Minnesota>Clearwater County, MN47239527display=inline}}1475abbr=on}}| mouth = Gulf of MexicoPilottown, Louisiana>Pilottown, Plaquemines Parish, Louisiana, Louisiana>LA29048912display=inline,title}}0abbr=on}}| progression =| river_system =1151000abbr=on}}St. Croix River (Wisconsin–Minnesota)>St. Croix River, Wisconsin River, Rock River, Illinois River, Kaskaskia River, Ohio RiverMinnesota River, Des Moines River, Missouri River, White River (Arkansas–Missouri)>White River, Arkansas River| custom_label =| custom_data =| extra =}}The Mississippi River is the second-longest river and chief river of the second-largest drainage system on the North American continent, second only to the Hudson Bay drainage system.United States Geological Survey Hydrological Unit Code: 08-09-01-00- Lower Mississippi-New Orleans WatershedWEB, Lengths of the major rivers, United States Geological Survey, March 14, 2009,weblink dead,weblink" title="">weblink March 5, 2009, mdy-all, Its source is Lake Itasca in northern Minnesota and it flows generally south for {{convert|2320|mi|km}} to the Mississippi River Delta in the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains all or parts of 32 U.S. states and two Canadian provinces between the Rocky and Appalachian mountains.WEB,weblink Mississippi River Facts – Mississippi National River and Recreation Area (U.S. National Park Service),, en, 2018-11-16, The main stem is entirely within the United States; the total drainage basin is {{convert|1151000|mi2|km2|abbr=on}}, of which only about one percent is in Canada. The Mississippi ranks as the fourth-longest and fifteenth-largest river by discharge in the world. The river either borders or passes through the states of Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, and Louisiana.WEB,weblink United States Geography: Rivers,, en, June 30, 2017, NEWS,weblink The 10 States That Border the Mississippi, ThoughtCo, June 30, 2017, Native Americans have lived along the Mississippi River and its tributaries for thousands of years. Most were hunter-gatherers, but some, such as the Mound Builders, formed prolific agricultural societies. The arrival of Europeans in the 16th century changed the native way of life as first explorers, then settlers, ventured into the basin in increasing numbers.WEB,weblink Mississippi (river US) facts, information, pictures {{!, articles about Mississippi (river US)||language=en|access-date=June 30, 2017}} The river served first as a barrier, forming borders for New Spain, New France, and the early United States, and then as a vital transportation artery and communications link. In the 19th century, during the height of the ideology of manifest destiny, the Mississippi and several western tributaries, most notably the Missouri, formed pathways for the western expansion of the United States.Formed from thick layers of the river's silt deposits, the Mississippi embayment is one of the most fertile regions of the United States; steamboats were widely used in the 19th and early 20th centuries to ship agricultural and industrial goods. During the American Civil War, the Mississippi's capture by Union forces marked a turning point towards victory, due to the river's strategic importance to the Confederate war effort. Because of substantial growth of cities and the larger ships and barges that replaced steamboats, the first decades of the 20th century saw the construction of massive engineering works such as levees, locks and dams, often built in combination. A major focus of this work has been to prevent the lower Mississippi from shifting into the channel of the Atchafalaya River and bypassing New Orleans.Since the 20th century, the Mississippi River has also experienced major pollution and environmental problems – most notably elevated nutrient and chemical levels from agricultural runoff, the primary contributor to the Gulf of Mexico dead zone.

Name and significance

The word Mississippi itself comes from , the French rendering of the Anishinaabe (Ojibwe or Algonquin) name for the river, (Great River).In the 18th century, the river was the primary western boundary of the young United States, and since the country's expansion westward, the Mississippi River has been widely considered a convenient if approximate dividing line between the Eastern, Southern, and Midwestern United States, and the Western United States. This is exemplified by the Gateway Arch in St. Louis and the phrase "Trans-Mississippi" as used in the name of the Trans-Mississippi Exposition.It is common to qualify a regionally superlative landmark in relation to it, such as "the highest peak east of the Mississippi"WEB,weblink March 1, 2015, The 10 Tallest Mountains East of the Mississippi, Ethan Shaw, or "the oldest city west of the Mississippi".WEB,weblink March 1, 2015, New Madrid – 220+ Years Old and Counting,weblink" title="">weblink November 2, 2014, dead, The FCC also uses it as the dividing line for broadcast call-signs, which begin with W to the east and K to the west, mixing together in media markets along the river.


The Mississippi River can be divided into three sections: the Upper Mississippi, the river from its headwaters to the confluence with the Missouri River; the Middle Mississippi, which is downriver from the Missouri to the Ohio River; and the Lower Mississippi, which flows from the Ohio to the Gulf of Mexico.

Upper Mississippi

File:Lake Itasca Mississippi Source.jpg|thumb|The beginning of the Mississippi River at Lake ItascaLake Itasca(File:Saint Anthony Falls aerial.jpg|thumb|alt=St. Anthony Falls|Former head of navigation, St. Anthony Falls)File:WyalusingStateParkWisconsinRiverIntoMississippiRiver.jpg|thumb|Confluence of the Wisconsin and Mississippi Rivers, viewed from Wyalusing State ParkWyalusing State ParkThe Upper Mississippi runs from its headwaters to its confluence with the Missouri River at St. Louis, Missouri. It is divided into two sections:
  1. The headwaters, {{convert|493|mi|km}} from the source to Saint Anthony Falls in Minneapolis, Minnesota; and
  2. A navigable channel, formed by a series of man-made lakes between Minneapolis and St. Louis, Missouri, some {{convert|664|mi|km}}.
The source of the Upper Mississippi branch is traditionally accepted as Lake Itasca, {{convert|1475|ft|m}} above sea level in Itasca State Park in Clearwater County, Minnesota. The name Itasca was chosen to designate the "true head" of the Mississippi River as a combination of the last four letters of the Latin word for truth () and the first two letters of the Latin word for head ().WEB,weblink Minnesota Place Names: A Geographical Encyclopedia, Warren Upham, Upham, Warren, Minnesota Historical Society, August 14, 2007,weblink" title="">weblink January 8, 2011, dead, However, the lake is in turn fed by a number of smaller streams.From its origin at Lake Itasca to St. Louis, Missouri, the waterway's flow is moderated by 43 dams. Fourteen of these dams are located above Minneapolis in the headwaters region and serve multiple purposes, including power generation and recreation. The remaining 29 dams, beginning in downtown Minneapolis, all contain locks and were constructed to improve commercial navigation of the upper river. Taken as a whole, these 43 dams significantly shape the geography and influence the ecology of the upper river. Beginning just below Saint Paul, Minnesota, and continuing throughout the upper and lower river, the Mississippi is further controlled by thousands of Wing Dikes that moderate the river's flow in order to maintain an open navigation channel and prevent the river from eroding its banks.The head of navigation on the Mississippi is the Coon Rapids Dam in Coon Rapids, Minnesota. Before it was built in 1913, steamboats could occasionally go upstream as far as Saint Cloud, Minnesota, depending on river conditions.The uppermost lock and dam on the Upper Mississippi River is the Upper St. Anthony Falls Lock and Dam in Minneapolis. Above the dam, the river's elevation is {{convert|799|ft|m}}. Below the dam, the river's elevation is {{convert|750|ft|m}}. This {{convert|49|ft|m|adj=mid}} drop is the largest of all the Mississippi River locks and dams. The origin of the dramatic drop is a waterfall preserved adjacent to the lock under an apron of concrete. Saint Anthony Falls is the only true waterfall on the entire Mississippi River. The water elevation continues to drop steeply as it passes through the gorge carved by the waterfall.After the completion of the St. Anthony Falls Lock and Dam in 1963, the river's head of navigation moved upstream, to the Coon Rapids Dam. However, the Locks were closed in 2015 to control the spread of invasive Asian carp, making Minneapolis once again the site of the head of navigation of the river.WEB,weblink US Army Corps of Engineers, Upper St. Anthony Falls Lock Closure, 2015, dead,weblink" title="">weblink June 10, 2015, The Upper Mississippi has a number of natural and artificial lakes, with its widest point being Lake Winnibigoshish, near Grand Rapids, Minnesota, over {{convert|11|mi|km}} across. Lake Onalaska, created by Lock and Dam No. 7, near La Crosse, Wisconsin, is more than {{convert|4|mi|km}} wide. Lake Pepin, a natural lake formed behind the delta of the Chippewa River of Wisconsin as it enters the Upper Mississippi, is more than {{convert|2|mi|km}} wide.WEB,weblink Mississippi River Facts,, November 6, 2010, By the time the Upper Mississippi reaches Saint Paul, Minnesota, below Lock and Dam No. 1, it has dropped more than half its original elevation and is {{convert|687|ft|m}} above sea level. From St. Paul to St. Louis, Missouri, the river elevation falls much more slowly, and is controlled and managed as a series of pools created by 26 locks and dams.2001 U.S. Army Corps of Engineers Upper Mississippi River Navigation ChartThe Upper Mississippi River is joined by the Minnesota River at Fort Snelling in the Twin Cities; the St. Croix River near Prescott, Wisconsin; the Cannon River near Red Wing, Minnesota; the Zumbro River at Wabasha, Minnesota; the Black, La Crosse, and Root rivers in La Crosse, Wisconsin; the Wisconsin River at Prairie du Chien, Wisconsin; the Rock River at the Quad Cities; the Iowa River near Wapello, Iowa; the Skunk River south of Burlington, Iowa; and the Des Moines River at Keokuk, Iowa. Other major tributaries of the Upper Mississippi include the Crow River in Minnesota, the Chippewa River in Wisconsin, the Maquoketa River and the Wapsipinicon River in Iowa, and the Illinois River in Illinois.(File:Dubois n Mississippi River P7280468 Missouri n Mississippi River.JPG|thumb|The Upper Mississippi River at its confluence with the Missouri River north of St. Louis)The Upper Mississippi is largely a multi-thread stream with many bars and islands. From its confluence with the St. Croix River downstream to Dubuque, Iowa, the river is entrenched, with high bedrock bluffs lying on either side. The height of these bluffs decreases to the south of Dubuque, though they are still significant through Savanna, Illinois. This topography contrasts strongly with the Lower Mississippi, which is a meandering river in a broad, flat area, only rarely flowing alongside a bluff (as at Vicksburg, Mississippi).File:CairoIL from space annotated.jpg|thumb|The confluence of the Mississippi (left) and Ohio (right) rivers at Cairo, Illinois, the demarcation between the Middle and the Lower Mississippi River]]

Middle Mississippi

The Mississippi River is known as the Middle Mississippi from the Upper Mississippi River's confluence with the Missouri River at St. Louis, Missouri, for {{convert|190|mi|km}} to its confluence with the Ohio River at Cairo, Illinois.BOOK, Middle Mississippi River Regional Corridor: Collaborative Planning Study (July 2007 update), 2007, U.S. Army Corps of Engineers, St. Louis District, St. Louis, MO, 28, WEB, MMRP: Middle Mississippi River Partnership,weblinkweblink" title="">weblink March 28, 2009, Middle Mississippi River Partnership, May 25, 2011, The Middle Mississippi is relatively free-flowing. From St. Louis to the Ohio River confluence, the Middle Mississippi falls {{convert|220|ft}} over {{convert|180|mi|km}} for an average rate of {{convert|1.2|ft/mi}}. At its confluence with the Ohio River, the Middle Mississippi is {{convert|315|ft}} above sea level. Apart from the Missouri and Meramec rivers of Missouri and the Kaskaskia River of Illinois, no major tributaries enter the Middle Mississippi River.

Lower Mississippi

(File:Mississipi River - New Orleans.JPG|thumb|Lower Mississippi River near New Orleans)The Mississippi River is called the Lower Mississippi River from its confluence with the Ohio River to its mouth at the Gulf of Mexico, a distance of about {{convert|1000|mi|km}}. At the confluence of the Ohio and the Middle Mississippi, the long-term mean discharge of the Ohio at Cairo, Illinois is {{convert|281500|cuft/s|m3/s|abbr=off|sp=us}},Frits van der Leeden, Fred L. Troise, David Keith Todd: The Water Encyclopedia, 2nd edition, p. 126, Chelsea, Mich. (Lewis Publishers), 1990, {{ISBN|0-87371-120-3}} while the long-term mean discharge of the Mississippi at Thebes, Illinois (just upriver from Cairo) is {{convert|208200|cuft/s|m3/s|abbr=on}}.USGS stream gage 07022000 Mississippi River at Thebes, IL Thus, by volume, the main branch of the Mississippi River system at Cairo can be considered to be the Ohio River (and the Allegheny River further upstream), rather than the Middle Mississippi.In addition to the Ohio River, the major tributaries of the Lower Mississippi River are the White River, flowing in at the White River National Wildlife Refuge in east central Arkansas; the Arkansas River, joining the Mississippi at Arkansas Post; the Big Black River in Mississippi; and the Yazoo River, meeting the Mississippi at Vicksburg, Mississippi. The widest point of the Mississippi River is in the Lower Mississippi portion where it exceeds {{convert|1|mi|km}} in width in several places.Deliberate water diversion at the Old River Control Structure in Louisiana allows the Atchafalaya River in Louisiana to be a major distributary of the Mississippi River, with 30% of the combined flow of the Mississippi and Red Rivers flowing to the Gulf of Mexico by this route, rather than continuing down the Mississippi's current channel past Baton Rouge and New Orleans on a longer route to the Gulf.JOURNAL, McPhee, John, The Control of Nature: Atchafalaya, The New Yorker, February 23, 1987,weblink May 12, 2011, Republished in BOOK, McPhee, John, The Control of Nature, Farrar, Straus and Giroux, 1989, 0-374-12890-1, 272, WEB, Old River Control, The Mighty Mississippi River, Angert, Joe and Isaac,weblinkweblink" title="">weblink May 15, 2009, May 12, 2011, Includes map and pictures.WEB,weblink The Mississippi Levee System and the Old River Control Structure, Katherine, Kemp, January 6, 2000, WEB, USACE Brochure: Old River Control, Jan 2009,weblink US Army Corps of Engineers, New Orleans District, 26 April 2019, Although the Red River is commonly thought to be a tributary, it is actually not, because its water flows separately into the Gulf of Mexico through the Atchafalaya River.


(File:Mississippi River Watershed Map.jpg|thumb|Map of the Mississippi River watershed)(File:The Rivers of the Mississippi Watershed.webm|thumb|left|An animation of the flows along the rivers of the Mississippi watershed){{See also|List of drainage basins by area}}The Mississippi River has the world's fourth-largest drainage basin ("watershed" or "catchment"). The basin covers more than {{convert|1245000|sqmi|abbr=out}}, including all or parts of 32 U.S. states and two Canadian provinces. The drainage basin empties into the Gulf of Mexico, part of the Atlantic Ocean. The total catchment of the Mississippi River covers nearly 40% of the landmass of the continental United States. The highest point within the watershed is also the highest point of the Rocky Mountains, Mount Elbert at {{convert|14440|ft}}.WEB, Mount Elbert, Colorado,weblink Peakbagger, May 21, 2014, File:MississippiRiver GulfMex MODIS 2004jul-aug.jpg|thumb|Sequence of NASA MODIS images showing the outflow of fresh water from the Mississippi (arrows) into the Gulf of Mexico (2004)]]In the United States, the Mississippi River drains the majority of the area between the crest of the Rocky Mountains and the crest of the Appalachian Mountains, except for various regions drained to Hudson Bay by the Red River of the North; to the Atlantic Ocean by the Great Lakes and the Saint Lawrence River; and to the Gulf of Mexico by the Rio Grande, the Alabama and Tombigbee rivers, the Chattahoochee and Appalachicola rivers, and various smaller coastal waterways along the Gulf.The Mississippi River empties into the Gulf of Mexico about {{convert|100|mi|km}} downstream from New Orleans. Measurements of the length of the Mississippi from Lake Itasca to the Gulf of Mexico vary somewhat, but the United States Geological Survey's number is {{convert|2320|mi|km}}. The retention time from Lake Itasca to the Gulf is typically about 90 days.WEB,weblink General Information about the Mississippi River, National Park Service, Mississippi National River and Recreation Area, 2004, July 15, 2006, dead,weblink" title="">weblink June 13, 2006,


The Mississippi River discharges at an annual average rate of between 200 and 700 thousand cubic feet per second (7,000–20,000 m3/s).WEB,weblink Americas Wetland: Resource Center,, November 4, 1939, November 6, 2010, Although it is the fifth-largest river in the world by volume, this flow is a small fraction of the output of the Amazon, which moves nearly 7 million cubic feet per second (200,000 m3/s) during wet seasons. On average, the Mississippi has only 8% the flow of the Amazon River.JOURNAL, Hydrologie du bassin de l'Amazone, Grands Bassins Fluviaux, Paris, November 22–24, 1993,weblink PDF, French, January 11, 2012, Fresh river water flowing from the Mississippi into the Gulf of Mexico does not mix into the salt water immediately. The images from NASA's MODIS (to the right) show a large plume of fresh water, which appears as a dark ribbon against the lighter-blue surrounding waters. These images demonstrate that the plume did not mix with the surrounding sea water immediately. Instead, it stayed intact as it flowed through the Gulf of Mexico, into the Straits of Florida, and entered the Gulf Stream. The Mississippi River water rounded the tip of Florida and traveled up the southeast coast to the latitude of Georgia before finally mixing in so thoroughly with the ocean that it could no longer be detected by MODIS.Before 1900, the Mississippi River transported an estimated 400 million metric tons of sediment per year from the interior of the United States to coastal Louisiana and the Gulf of Mexico. During the last two decades, this number was only 145 million metric tons per year. The reduction in sediment transported down the Mississippi River is the result of engineering modification of the Mississippi, Missouri, and Ohio rivers and their tributaries by dams, meander cutoffs, river-training structures, and bank revetments and soil erosion control programs in the areas drained by them.Meade, R. H., and J. A. Moody, 1984, Causes for the decline of suspended-sediment discharge in the Mississippi River system, 1940–2007 Hydrology Processes vol. 24, pp. 35–49.

Course changes

Over geologic time, the Mississippi River has experienced numerous large and small changes to its main course, as well as additions, deletions, and other changes among its numerous tributaries, and the lower Mississippi River has used different pathways as its main channel to the Gulf of Mexico across the delta region.Through a natural process known as avulsion or delta switching, the lower Mississippi River has shifted its final course to the mouth of the Gulf of Mexico every thousand years or so. This occurs because the deposits of silt and sediment begin to clog its channel, raising the river's level and causing it to eventually find a steeper, more direct route to the Gulf of Mexico. The abandoned distributaries diminish in volume and form what are known as bayous. This process has, over the past 5,000 years, caused the coastline of south Louisiana to advance toward the Gulf from {{convert|15|to|50|mi|km}}. The currently active delta lobe is called the Birdfoot Delta, after its shape, or the Balize Delta, after La Balize, Louisiana, the first French settlement at the mouth of the Mississippi.

Prehistoric courses

The current form of the Mississippi River basin was largely shaped by the Laurentide Ice Sheet of the most recent Ice Age. The southernmost extent of this enormous glaciation extended well into the present-day United States and Mississippi basin. When the ice sheet began to recede, hundreds of feet of rich sediment were deposited, creating the flat and fertile landscape of the Mississippi Valley. During the melt, giant glacial rivers found drainage paths into the Mississippi watershed, creating such features as the Minnesota River, James River, and Milk River valleys. When the ice sheet completely retreated, many of these "temporary" rivers found paths to Hudson Bay or the Arctic Ocean, leaving the Mississippi Basin with many features "over-sized" for the existing rivers to have carved in the same time period.Ice sheets during the Illinoian Stage, about 300,000 to 132,000 years before present, blocked the Mississippi near Rock Island, Illinois, diverting it to its present channel farther to the west, the current western border of Illinois. The Hennepin Canal roughly follows the ancient channel of the Mississippi downstream from Rock Island to Hennepin, Illinois. South of Hennepin, to Alton, Illinois, the current Illinois River follows the ancient channel used by the Mississippi River before the Illinoian Stage.McKay, E.D., 2007, Six Rivers, Five Glaciers, and an Outburst Flood: the Considerable Legacy of the Illinois River. (PDF) Proceedings of the 2007 Governor's Conference on the Management of the Illinois River System: Our continuing Commitment, 11th Biennial Conference, Oct. 2–4, 2007, 11 p.McKay, E.D., and R.C. Berg, 2008, Optical ages spanning two glacial-interglacial cycles from deposits of the ancient Mississippi River, north-central Illinois. Geological Society of America Abstracts with Programs, Vol. 40, No. 5, p. 78 with Powerpoint presentationFile:Reverie TN 08 former MS river S.jpg|thumb|View along the former riverbed at the Tennessee/Arkansas state line near Reverie, TennesseeReverie, TennesseeTimeline of outflow course changesThe New Yorker: Atchalafaya, (:File:Geomorphology of Old River.jpg), WEB,weblink Archived copy, October 12, 2014, dead,weblink" title="">weblink August 28, 2008, mdy,
  • c. 5000 BC: The last Ice Age ended; world sea level became what it is now.
  • c. 2500 BC: Bayou Teche became the main course of the Mississippi.
  • c. 800 BC: The Mississippi diverted further east.
  • c. 200 AD: Bayou Lafourche became the main course of the Mississippi.
  • c. 1000 AD: The Mississippi's present course took over.
  • Before c. 1400 AD: The Red River of the South flowed parallel to the lower Mississippi to the sea
  • 15th century: Turnbull's Bend in the lower Mississippi extended so far west that it captured the Red River of the South. The Red River below the captured section became the Atchafalaya River.
  • 1831: Captain Henry M. Shreve dug a new short course for the Mississippi through the neck of Turnbull's Bend.
  • 1833 to November 1873: The Great Raft (a huge logjam in the Atchafalaya River) was cleared. The Atchafalaya started to capture the Mississippi and to become its new main lower course.
  • 1963: The Old River Control Structure was completed, controlling how much Mississippi water entered the Atchafalaya.
  • Cahokia's rise and fall linked to river flooding (article in Popular Archaeology periodical)

Historic course changes

In March 1876, the Mississippi suddenly changed course near the settlement of Reverie, Tennessee, leaving a small part of Tipton County, Tennessee, attached to Arkansas and separated from the rest of Tennessee by the new river channel. Since this event was an avulsion, rather than the effect of incremental erosion and deposition, the state line still follows the old channel.WEB,weblink Arkansas v. Tennessee, 246 U.S. 158 :: Volume 246 :: 1918,, March 12, 2013, The town of Kaskaskia, Illinois once stood on a peninsula at the confluence of the Mississippi and Kaskaskia (Okaw) Rivers. Founded as a French colonial community, it later became the capital of the Illinois Territory and was the first state capital of Illinois until 1819. Beginning in 1844, successive flooding caused the Mississippi River to slowly encroach east. A major flood in 1881 caused it to overtake the lower 10 miles of the Kaskaskia River, forming a new Mississippi channel and cutting off the town from the rest of the state. Later flooding destroyed most of the remaining town, including the original State House. Today, the remaining 2,300 acre island and community of 14 residents is known as an enclave of Illinois and is accessible only from the Missouri side.BOOK, Knopp, Lisa, What the river carries : encounters with the Mississippi, Missouri, and Platte, 2012, University of Missouri Press, Columbia, MO, 978-0-8262-1974-9, 74,

New Madrid Seismic Zone

The New Madrid Seismic Zone, along the Mississippi River near New Madrid, Missouri, between Memphis and St. Louis, is related to an aulacogen (failed rift) that formed at the same time as the Gulf of Mexico. This area is still quite active seismically. Four great earthquakes in 1811 and 1812, estimated at approximately 8 on the Richter magnitude scale, had tremendous local effects in the then sparsely settled area, and were felt in many other places in the Midwestern and eastern U.S. These earthquakes created Reelfoot Lake in Tennessee from the altered landscape near the river.


When measured from its traditional source at Lake Itasca, the Mississippi has a length of {{convert|2320|mi|km}}. When measured from its longest stream source (most distant source from the sea), Brower's Spring in Montana, the source of the Missouri River, it has a length of {{convert|3710|mi|km}}, making it the fourth longest river in the world after the Nile, Amazon, and Yangtze.BOOK,weblink Settlements of the Mississippi River, Rob, Bowden, January 27, 2005, Heinemann-Raintree Library, Google Books, When measured by the largest stream source (by water volume), the Ohio River, by extension the Allegheny river, would be the source, and the Mississippi would begin in Pennsylvania.{{cn|date=January 2018}}


At its source at Lake Itasca, the Mississippi River is about 3 feet deep. The average depth of the Mississippi River between Saint Paul and Saint Louis is between {{convert|9|and(-)|12|ft}} deep, the deepest part being Lake Pepin, which averages {{convert|20|–|32|ft|0}} deep and has a maximum depth of {{convert|60|ft}}. Between Saint Louis, Missouri, where the Missouri River joins and Cairo, Illinois, the depth averages {{convert|30|ft|0}}. Below Cairo, where the Ohio River joins, the depth averages {{convert|50|–|100|ft}} deep. The deepest part of the river is in New Orleans, where it reaches {{convert|200|ft}} deepweblink

Cultural geography

State boundaries

The Mississippi River runs through or along 10 states, from Minnesota to Louisiana, and is used to define portions of these states borders, with Wisconsin, Illinois, Kentucky, Tennessee, and Mississippi along the east side of the river, and Iowa, Missouri, and Arkansas along its west side. Substantial parts of both Minnesota and Louisiana are on either side of the river, although the Mississippi defines part of the boundary of each of these states.In all of these cases, the middle of the riverbed at the time the borders were established was used as the line to define the borders between adjacent states.WEB,weblink,, April 28, 2010, November 6, 2010, weblink" title=""> "Treaty of Friendship, Limits, and Navigation", Avalon project at the Yale Law School In various areas, the river has since shifted, but the state borders have not changed, still following the former bed of the Mississippi River as of their establishment, leaving several small isolated areas of one state across the new river channel, contiguous with the adjacent state. Also, due to a meander in the river, a small part of western Kentucky is contiguous with Tennessee, but isolated from the rest of its state.{{wide image|Lake Pepin Panorama.jpg|800px|Lake Pepin, the widest naturally occurring part of the Mississippi, is part of the Minnesota–Wisconsin border.}}{{wide image|Mississippi_River_Panoramic.jpg|800px|The Mississippi River in downtown Baton Rouge}}

Communities along the river{| class"wikitable"

! Metro Area! Population| Minneapolis–Saint Paul| 3,946,533Greater St. Louis>St. Louis| 2,916,447Memphis metropolitan area>Memphis| 1,316,100New Orleans metropolitan area>New Orleans|1,214,932Baton Rouge metropolitan area>Baton Rouge| 802,484Quad Cities>Quad Cities, IA-IL| 387,630St. Cloud metropolitan area>St. Cloud, MN| 189,148La Crosse Metropolitan Area>La Crosse, WI| 133,365Cape Girardeau – Jackson metropolitan area>Cape Girardeau–Jackson MO-IL| 96,275Dubuque County, Iowa>Dubuque, IA| 93,653File:Missrivermpls.jpg|thumb|In Minnesota, the Mississippi River runs through the Twin Cities (2007)]]File:WinonaMNboathouses2006-05-09.JPG|thumb|Community of boathouses on the Mississippi River in Winona, MN (2006)]](File:Miss R dam 27.jpg|thumb|The Mississippi River at the Chain of Rocks just north of St. Louis (2005))File:Dam -27.JPG|thumb|upright|A low-water dam deepens the pool above the Chain of Rocks LockChain of Rocks LockMany of the communities along the Mississippi River are listed below; most have either historic significance or cultural lore connecting them to the river. They are sequenced from the source of the river to its end.{{colbegin|colwidth=18em}} {{colend}}

Bridge crossings

{{See also|List of crossings of the Upper Mississippi River|List of crossings of the Lower Mississippi River}}File:Mississippi River from the Guthrie Theater.jpg|thumb|The Stone Arch Bridge, the Third Avenue Bridge and the Hennepin Avenue BridgeHennepin Avenue BridgeThe road crossing highest on the Upper Mississippi is a simple steel culvert, through which the river (locally named "Nicolet Creek") flows north from Lake Nicolet under "Wilderness Road" to the West Arm of Lake Itasca, within Itasca State Park.Google Streetview image at 47.1938103 N, 95.2306761 WThe earliest bridge across the Mississippi River was built in 1855. It spanned the river in Minneapolis where the current Hennepin Avenue Bridge is located.BOOK, Costello, Mary Charlotte, 2002, Climbing the Mississippi River Bridge by Bridge, Volume Two: Minnesota, Adventure Publications, Cambridge, Minnesota, 0-9644518-2-4, No highway or railroad tunnels cross under the Mississippi River.The first railroad bridge across the Mississippi was built in 1856. It spanned the river between the Rock Island Arsenal in Illinois and Davenport, Iowa. Steamboat captains of the day, fearful of competition from the railroads, considered the new bridge a hazard to navigation. Two weeks after the bridge opened, the steamboat Effie Afton rammed part of the bridge, setting it on fire. Legal proceedings ensued, with Abraham Lincoln defending the railroad. The lawsuit went to the Supreme Court of the United States, which ruled in favor of the railroad.JOURNAL, Michael A. Ross, Hell Gate of the Mississippi: The Effie Afton Trial and Abraham Lincoln's Role in It, The Annals of Iowa, 68, 3, Summer 2009, 312–314,weblink Below is a general overview of selected Mississippi bridges which have notable engineering or landmark significance, with their cities or locations. They are sequenced from the Upper Mississippi's source to the Lower Mississippi's mouth. File:DubWisBridge051904.jpg|thumb|The Dubuque-Wisconsin BridgeDubuque-Wisconsin Bridge File:ChainOfRocksBridge StLouisMO.jpg|thumb|The Chain of Rocks Bridge at St. Louis, MissouriSt. Louis, Missouri File:Memphis Bridge.jpg|thumb|The Hernando de Soto Bridge in Memphis, TennesseeMemphis, Tennessee File:Vicksburg-bridge.JPG|thumb|right|Vicksburg BridgeVicksburg Bridge

Navigation and flood control

File:20040711181620 Mississippi Memphis Ausschnitt.jpg|thumb|Towboat and barges at Memphis, TennesseeMemphis, Tennessee(File:Mississippi ship navigation.png|thumbnail|Ships on the lower part of the Mississippi)A clear channel is needed for the barges and other vessels that make the main stem Mississippi one of the great commercial waterways of the world. The task of maintaining a navigation channel is the responsibility of the United States Army Corps of Engineers, which was established in 1802.WEB,weblinkweblink" title="">weblink March 28, 2010, US Army Corps of Engineers, Brief History,, November 6, 2010, Earlier projects began as early as 1829 to remove snags, close off secondary channels and excavate rocks and sandbars.Steamboats entered trade in the 1820s, so the period 1830–1850 became the golden age of steamboats. As there were few roads or rails in the lands of the Louisiana Purchase, river traffic was an ideal solution. Cotton, timber and food came down the river, as did Appalachian coal. The port of New Orleans boomed as it was the trans-shipment point to deep sea ocean vessels. As a result, the image of the twin stacked, wedding cake Mississippi steamer entered into American mythology. Steamers worked the entire route from the trickles of Montana, to the Ohio River; down the Missouri and Tennessee, to the main channel of the Mississippi. Only with the arrival of the railroads in the 1880s did steamboat traffic diminish. Steamboats remained a feature until the 1920s. Most have been superseded by pusher tugs. A few survive as icons—the Delta Queen and the River Queen for instance.(File:Ship on lower Mississippi.jpeg|thumb|Oil tanker on the Lower Mississippi near the Port of New Orleans)(File:Lower Mississippi River barge.png|thumb|Barge on the Lower Mississippi River)A series of 29 locks and dams on the upper Mississippi, most of which were built in the 1930s, is designed primarily to maintain a {{convert|9|ft|m|adj=mid|-deep}} channel for commercial barge traffic.WEB, Mississippi River, USGS: Status and trends of the nation's biological resources,weblink February 3, 2007,weblink" title="">weblink September 27, 2006, dead, WEB, U.S. Waterway System Facts, December 2005, USACE Navigation Data Center, PDF,weblinkweblink" title="">weblink July 3, 2007, April 27, 2006, The lakes formed are also used for recreational boating and fishing. The dams make the river deeper and wider but do not stop it. No flood control is intended. During periods of high flow, the gates, some of which are submersible, are completely opened and the dams simply cease to function. Below St. Louis, the Mississippi is relatively free-flowing, although it is constrained by numerous levees and directed by numerous wing dams.On the lower Mississippi, from Baton Rouge to the mouth of the Mississippi, the navigation depth is {{convert|45|ft}}, allowing container ships and cruise ships to dock at the Port of New Orleans and bulk cargo ships shorter than {{convert|150|ft|m|adj=on}} air draft that fit under the Huey P. Long Bridge to traverse the Mississippi to Baton Rouge.WEB,weblink Mississippi Valley Trade & Transport Council, August 19, 2016, dead,weblink" title="">weblink February 5, 2016, mdy-all, There is a feasibility study to dredge this portion of the river to {{convert|50|ft}} to allow New Panamax ship depths.WEB,weblink Corps to Study Lower Mississippi River Deepening Project – International Dredging Review – June 2015, August 19, 2016,

19th century

File:Lock and Dam 11.jpg|thumb|Lock and Dam No. 11Lock and Dam No. 11In 1829, there were surveys of the two major obstacles on the upper Mississippi, the Des Moines Rapids and the Rock Island Rapids, where the river was shallow and the riverbed was rock. The Des Moines Rapids were about {{convert|11|mi|km}} long and just above the mouth of the Des Moines River at Keokuk, Iowa. The Rock Island Rapids were between Rock Island and Moline, Illinois. Both rapids were considered virtually impassable.In 1848, the Illinois and Michigan Canal was built to connect the Mississippi River to Lake Michigan via the Illinois River near Peru, Illinois. The canal allowed shipping between these important waterways. In 1900, the canal was replaced by the Chicago Sanitary and Ship Canal. The second canal, in addition to shipping, also allowed Chicago to address specific health issues (typhoid fever, cholera and other waterborne diseases) by sending its waste down the Illinois and Mississippi river systems rather than polluting its water source of Lake Michigan.The Corps of Engineers recommended the excavation of a {{convert|5|ft|m|adj=mid|-deep}} channel at the Des Moines Rapids, but work did not begin until after Lieutenant Robert E. Lee endorsed the project in 1837. The Corps later also began excavating the Rock Island Rapids. By 1866, it had become evident that excavation was impractical, and it was decided to build a canal around the Des Moines Rapids. The canal opened in 1877, but the Rock Island Rapids remained an obstacle. In 1878, Congress authorized the Corps to establish a {{convert|4.5|ft|m|adj=mid|-deep}} channel to be obtained by building wing dams which direct the river to a narrow channel causing it to cut a deeper channel, by closing secondary channels and by dredging. The channel project was complete when the Moline Lock, which bypassed the Rock Island Rapids, opened in 1907.To improve navigation between St. Paul, Minnesota, and Prairie du Chien, Wisconsin, the Corps constructed several dams on lakes in the headwaters area, including Lake Winnibigoshish and Lake Pokegama. The dams, which were built beginning in the 1880s, stored spring run-off which was released during low water to help maintain channel depth.File:Mississippi River Lock and Dam number 2.jpg|thumb|Lock and Dam No. 2, near Hastings, MinnesotaHastings, MinnesotaFile:Mississippi River Lock and Dam number 15.jpg|thumb|Lock and Dam No. 15, is the largest roller dam in the world Davenport, Iowa; Rock Island, IllinoisRock Island, Illinois

20th century

In 1907, Congress authorized a {{convert|6|ft|m|adj=mid|-deep}} channel project on the Mississippi River, which was not complete when it was abandoned in the late 1920s in favor of the {{convert|9|ft|m|adj=mid|-deep}} channel project.In 1913, construction was complete on Lock and Dam No. 19 at Keokuk, Iowa, the first dam below St. Anthony Falls. Built by a private power company (Union Electric Company of St. Louis) to generate electricity (originally for streetcars in St. Louis), the Keokuk dam was one of the largest hydro-electric plants in the world at the time. The dam also eliminated the Des Moines Rapids. Lock and Dam No. 1 was completed in Minneapolis, Minnesota in 1917. Lock and Dam No. 2, near Hastings, Minnesota, was completed in 1930.Before the Great Mississippi Flood of 1927, the Corps's primary strategy was to close off as many side channels as possible to increase the flow in the main river. It was thought that the river's velocity would scour off bottom sediments, deepening the river and decreasing the possibility of flooding. The 1927 flood proved this to be so wrong that communities threatened by the flood began to create their own levee breaks to relieve the force of the rising river.The Rivers and Harbors Act of 1930 authorized the {{convert|9|ft|m|adj=mid}} channel project, which called for a navigation channel {{convert|9|ft}} feet deep and {{convert|400|ft}} wide to accommodate multiple-barge tows.WEB, The Mississippi and its Uses, Natural Resource Management Section, Rock Island Engineers,weblinkweblink" title="">weblink June 4, 2011, June 21, 2006, WEB, Appendix E: Nine-foot navigation channel maintenance activities, National Park Service, Mississippi National River and Recreation Area Comprehensive Management Plan,weblink June 21, 2006, dead,weblink" title="">weblink December 15, 2004, This was achieved by a series of locks and dams, and by dredging. Twenty-three new locks and dams were built on the upper Mississippi in the 1930s in addition to the three already in existence.(File:Geomorphology of Old River.jpg|thumb|left|Formation of the Atchafalaya River and construction of the Old River Control Structure.)File:Mississippi River flow.gif|thumb|upright|(Project design flood]] flow capacity for the Mississippi river in thousands of cubic feet per second.BOOK, The Mississippi River & Tributaries Project: Designing the Project Flood, United States Army Corps of Engineers, 2008, Information Paper,weblink dead,weblink" title="">weblink June 4, 2011, )Until the 1950s, there was no dam below Lock and Dam 26 at Alton, Illinois. Chain of Rocks Lock (Lock and Dam No. 27), which consists of a low-water dam and an {{convert|8.4|mi|km|adj=mid|-long}} canal, was added in 1953, just below the confluence with the Missouri River, primarily to bypass a series of rock ledges at St. Louis. It also serves to protect the St. Louis city water intakes during times of low water.U.S. government scientists determined in the 1950s that the Mississippi River was starting to switch to the Atchafalaya River channel because of its much steeper path to the Gulf of Mexico. Eventually the Atchafalaya River would capture the Mississippi River and become its main channel to the Gulf of Mexico, leaving New Orleans on a side channel. As a result, the U.S. Congress authorized a project called the Old River Control Structure, which has prevented the Mississippi River from leaving its current channel that drains into the Gulf via New Orleans.WEB,weblink The Old River Control Structure on the Lower Mississippi River,, June 12, 2009, Because the large scale of high-energy water flow threatened to damage the structure, an auxiliary flow control station was built adjacent to the standing control station. This $300 million project was completed in 1986 by the Corps of Engineers. Beginning in the 1970s, the Corps applied hydrological transport models to analyze flood flow and water quality of the Mississippi. Dam 26 at Alton, Illinois, which had structural problems, was replaced by the Mel Price Lock and Dam in 1990. The original Lock and Dam 26 was demolished.File:Army mil-2008-07-17-085659.jpg|thumb|Soldiers of the Missouri Army National Guard sandbag the River in Clarksville, MissouriClarksville, Missouri

21st century

The Corps now actively creates and maintains spillways and floodways to divert periodic water surges into backwater channels and lakes, as well as route part of the Mississippi's flow into the Atchafalaya Basin and from there to the Gulf of Mexico, bypassing Baton Rouge and New Orleans. The main structures are the Birds Point-New Madrid Floodway in Missouri; the Old River Control Structure and the Morganza Spillway in Louisiana, which direct excess water down the west and east sides (respectively) of the Atchafalaya River; and the Bonnet Carré Spillway, also in Louisiana, which directs floodwaters to Lake Pontchartrain (see diagram). Some experts blame urban sprawl for increases in both the risk and frequency of flooding on the Mississippi River.WEB,weblink Levees among possible cause of more frequent flooding, Jim Salter, January 4, 2016, Some of the pre-1927 strategy is still in use today, with the Corps actively cutting the necks of horseshoe bends, allowing the water to move faster and reducing flood heights.WEB,weblinkweblink" title="">weblink January 28, 2006, History of the Mississippi River and Tributaries Project, US Army Corps of Engineers New Orleans District,


Approximately 50,000 years ago, the Central United States were covered by an inland sea, which was drained by the Mississippi and its tributaries into the Gulf of Mexico—creating large floodplains and extending the continent further to the south in the process. The soil in areas such as Louisiana was thereafter found to be very rich.BOOK, Nicks, Oran W., This Island Earth, NASA, 1970, 137,

Native Americans

The area of the Mississippi River basin was first settled by hunting and gathering Native American peoples and is considered one of the few independent centers of plant domestication in human history.JOURNAL, P.J., Richerson, R., Boyd, R.L., Bettinger, Was Agriculture Impossible During the Pleistocene but Mandatory during the Holocene? A Climate Change Hypothesis, American Antiquity, 66, 3, 387–411, 2001, 10.2307/2694241, Evidence of early cultivation of sunflower, a goosefoot, a marsh elder and an indigenous squash dates to the 4th millennium BC. The lifestyle gradually became more settled after around 1000 BC during what is now called the Woodland period, with increasing evidence of shelter construction, pottery, weaving and other practices. A network of trade routes referred to as the Hopewell interaction sphere was active along the waterways between about 200 and 500 AD, spreading common cultural practices over the entire area between the Gulf of Mexico and the Great Lakes. A period of more isolated communities followed, and agriculture introduced from Mesoamerica based on the Three Sisters (maize, beans and squash) gradually came to dominate. After around 800 AD there arose an advanced agricultural society today referred to as the Mississippian culture, with evidence of highly stratified complex chiefdoms and large population centers. The most prominent of these, now called Cahokia, was occupied between about 600 and 1400 ADWEB,weblink" title="">weblink February 8, 2005,weblink, Mississippian Mounds, Sacred Land Film Project, and at its peak numbered between 8,000 and 40,000 inhabitants, larger than London, England of that time. At the time of first contact with Europeans, Cahokia and many other Mississippian cities had dispersed, and archaeological finds attest to increased social stress.JOURNAL, Pauketat, Timothy R., 2003, Resettled Farmers and the Making of a Mississippian Polity, American Antiquity, 68, 1, 39–66, 10.2307/3557032, 3557032, JOURNAL, Pauketat, Timothy R., 1998, Refiguring the Archaeology of Greater Cahokia, Journal of Archaeological Research, 6, 1, 45–89, 10.1023/A:1022839329522, BOOK, Sullivan, Lynne P., Archaeology of the Appalachian highlands, University of Tennessee Press, 2001, 1-57233-142-9, Modern American Indian nations inhabiting the Mississippi basin include Cheyenne, Sioux, Ojibwe, Potawatomi, Ho-Chunk, Fox, Kickapoo, Tamaroa, Moingwena, Quapaw and Chickasaw.The word Mississippi itself comes from Messipi, the French rendering of the Anishinaabe (Ojibwe or Algonquin) name for the river, Misi-ziibi (Great River).WEB,weblink Freelang Ojibwe Dictionary, WEB,weblinkweblink" title="">weblink February 20, 2007, Mississippi, March 6, 2007, The American Heritage Dictionary of the English Language, American Heritage Dictionary,, The Ojibwe called Lake Itasca Omashkoozo-zaaga'igan (Elk Lake) and the river flowing out of it Omashkoozo-ziibi (Elk River). After flowing into Lake Bemidji, the Ojibwe called the river Bemijigamaag-ziibi (River from the Traversing Lake). After flowing into Cass Lake, the name of the river changes to Gaa-miskwaawaakokaag-ziibi (Red Cedar River) and then out of Lake Winnibigoshish as Wiinibiigoonzhish-ziibi (Miserable Wretched Dirty Water River), Gichi-ziibi (Big River) after the confluence with the Leech Lake River, then finally as Misi-ziibi (Great River) after the confluence with the Crow Wing River.Gilfillan, Joseph A., "Minnesota Geographical Names Derived from the Chippewa Language" in The Geological and Natural History Survey of Minnesota: The Fifteenth Annual Report for the Year 1886 (St. Paul: Pioneer Press Company, 1887) After the expeditions by Giacomo Beltrami and Henry Schoolcraft, the longest stream above the juncture of the Crow Wing River and Gichi-ziibi was named "Mississippi River". The Mississippi River Band of Chippewa Indians, known as the Gichi-ziibiwininiwag, are named after the stretch of the Mississippi River known as the Gichi-ziibi. The Cheyenne, one of the earliest inhabitants of the upper Mississippi River, called it the Máʼxe-éʼometaaʼe (Big Greasy River) in the Cheyenne language. The Arapaho name for the river is Beesniicíe.WEB, English-Arapaho dictionary, May 23, 2012,weblink The Pawnee name is Kickaátit.WEB, AISRI Dictionary Database Search—prototype version. "River", Southband Pawnee, American Indian Studies Research Institute, May 26, 2012,weblink The Mississippi was spelled {{not a typo|Mississipi or Missisipi}} during French Louisiana and was also known as the Rivière Saint-Louis.WEB,weblink Carte de la Louisiane, cours du Mississipi et pais voisins... / par Nicolas Bellin... ; Dheulland sculpsit, Jacques-Nicolas (1703–1772) Cartographe, Bellin, Guillaume (17 ?-177) Graveur, Dheulland, Pierre-François-Xavier de (1682–1761) Auteur du texte, Charlevoix, January 1, 1744, August 19, 2016, WEB,weblink Carte de la Louisiane et du cours du Mississipi. 100 lieues françoises [= 0m. 092 ; 1 : 4.830.000 environ]. Dressé sur un grand nombre de mémoires entre autres sur ceux de M. Le Maire / par Guillaume Delisle de l'Académie Royale des Sciences, Guillaume (1675–1726) Auteur du texte, Delisle, January 1, 1718, August 19, 2016, WEB,weblink Le cours du Mississipi ou de St Louis, fameuse rivière... aux environs de laquelle se trouve le pays appellé Louisiane / dressée... par N. de Fer, Nicolas de (1647?–1720) Cartographe, Fer, January 1, 1718, August 19, 2016,

European exploration

File:Discovery of the Mississippi.jpg|thumb|left|Discovery of the Mississippi by De Soto A.D. 1541 by William Henry Powell depicts Hernando de Soto and Spanish ConquistadoresConquistadoresFile:Nouvelle-France map-en.svg|thumb|Map of the French settlements in North America in 1750, before the French and Indian WarFrench and Indian WarFile:Marquette and jolliet map 1681.jpg|thumb|upright|Ca. 1681 map of Marquette and Jolliet's 1673 expedition.]](File:Exploration of the Upper Mississippi.pdf|thumb|Route of the Marquette-Jolliete Expedition of 1673)On May 8, 1541, Spanish explorer Hernando de Soto became the first recorded European to reach the Mississippi River, which he called Río del Espíritu Santo ("River of the Holy Spirit"), in the area of what is now Mississippi. In Spanish, the river is called Río Mississippi.WEB,weblinkweblink" title="">weblink dead, NA-Watersheds.gif (3060x2660 pixels), June 12, 2007, June 12, 2007,, July 11, 2017, French explorers Louis Jolliet and Jacques Marquette began exploring the Mississippi in the 17th century. Marquette traveled with a Sioux Indian who named it Ne Tongo ("Big river" in Sioux language) in 1673. Marquette proposed calling it the River of the Immaculate Conception.When Louis Jolliet explored the Mississippi Valley in the 17th century, natives guided him to a quicker way to return to French Canada via the Illinois River. When he found the Chicago Portage, he remarked that a canal of "only half a league" (less than 2 miles (3.2 km), 3 km) would join the Mississippi and the Great Lakes.WEB,weblink Jolliet and La Salle's Canal Plans,, November 6, 2010, dead,weblink" title="">weblink December 1, 2010, mdy, In 1848, the continental divide separating the waters of the Great Lakes and the Mississippi Valley was breached by the Illinois and Michigan canal via the Chicago River.WEB,weblink Illinois & Michigan Canal National Heritage Corridor,, August 24, 1984, November 6, 2010, dead,weblink" title="">weblink May 28, 2010, This both accelerated the development, and forever changed the ecology of the Mississippi Valley and the Great Lakes.In 1682, René-Robert Cavelier, Sieur de La Salle and Henri de Tonti claimed the entire Mississippi River Valley for France, calling the river Colbert River after Jean-Baptiste Colbert and the region La Louisiane, for King Louis XIV. On March 2, 1699, Pierre Le Moyne d'Iberville rediscovered the mouth of the Mississippi, following the death of La Salle."Pierre Le Moyne, Sieur d'Iberville" (bio), webpage from The Catholic Encyclopedia, Volume VII, 1910, New York: CathEn-07614b. The French built the small fort of La Balise there to control passage.WEB, Plan of New Orleans the Capital of Louisiana; With the Disposition of Its Quarters and Canals as They Have Been Traced by Mr. de la Tour in the Year 1720,weblink World Digital Library, February 14, 2013, In 1718, about {{convert|100|mi|km}} upriver, New Orleans was established along the river crescent by Jean-Baptiste Le Moyne, Sieur de Bienville, with construction patterned after the 1711 resettlement on Mobile Bay of Mobile, the capital of French Louisiana at the time.


{{see also|Flood of 1851}}File:A Home on the Mississippi.png|thumb|A Home on the MississippiA Home on the MississippiFollowing Britain's victory in the Seven Years War the Mississippi became the border between the British and Spanish Empires. The Treaty of Paris (1763) gave Great Britain rights to all land east of the Mississippi and Spain rights to land west of the Mississippi. Spain also ceded Florida to Britain to regain Cuba, which the British occupied during the war. Britain then divided the territory into East and West Florida.Article 8 of the Treaty of Paris (1783) states, "The navigation of the river Mississippi, from its source to the ocean, shall forever remain free and open to the subjects of Great Britain and the citizens of the United States". With this treaty, which ended the American Revolutionary War, Britain also ceded West Florida back to Spain to regain the Bahamas, which Spain had occupied during the war. In 1800, under duress from Napoleon of France, Spain ceded an undefined portion of West Florida to France. When France then sold the Louisiana Territory to the U.S. in 1803, a dispute arose again between Spain and the U.S. on which parts of West Florida exactly had Spain ceded to France, which would in turn decide which parts of West Florida were now U.S. property versus Spanish property. These aspirations ended when Spain was pressured into signing Pinckney's Treaty in 1795.France reacquired 'Louisiana' from Spain in the secret Treaty of San Ildefonso in 1800. The United States then secured effective control of the river when it bought the Louisiana Territory from France in the Louisiana Purchase of 1803. The last serious European challenge to U.S. control of the river came at the conclusion of War of 1812 when British forces mounted an attack on New Orleans – the attack was repulsed by an American army under the command of General Andrew Jackson.In the Treaty of 1818, the U.S. and Great Britain agreed to fix the border running from the Lake of the Woods to the Rocky Mountains along the 49th parallel north. In effect, the U.S. ceded the northwestern extremity of the Mississippi basin to the British in exchange for the southern portion of the Red River basin.So many settlers traveled westward through the Mississippi river basin, as well as settled in it, that Zadok Cramer wrote a guide book called The Navigator, detailing the features and dangers and navigable waterways of the area. It was so popular that he updated and expanded it through 12 editions over a period of 25 years.File:Mississippi River-sand bars.jpg|thumb|Shifting sand bars made early navigation difficult.]]The colonization of the area was barely slowed by the three earthquakes in 1811 and 1812, estimated at approximately 8 on the Richter magnitude scale, that were centered near New Madrid, Missouri.

Steamboat era

Mark Twain's book, Life on the Mississippi, covered the steamboat commerce which took place from 1830 to 1870 on the river before more modern ships replaced the steamer. The book was published first in serial form in Harper's Weekly in seven parts in 1875. The full version, including a passage from the then unfinished Adventures of Huckleberry Finn and works from other authors, was published by James R. Osgood & Company in 1885.The first steamboat to travel the full length of the Lower Mississippi from the Ohio River to New Orleans was the New Orleans in December 1811. Its maiden voyage occurred during the series of New Madrid earthquakes in 1811–12. The Upper Mississippi was treacherous, unpredictable and to make traveling worse, the area was not properly mapped out or surveyed. Until the 1840s only two trips a year to the Twin Cities landings were made by steamboats which suggests it was not very profitable.Roseman, Curtis C., and Elizabeth M. Roseman. Grand Excursions on the Upper Mississippi River : Places, Landscapes, And Regional Identity After 1854. Iowa City: University Of Iowa Press, 2004. eBook Academic Collection (EBSCOhost). Web. March 30, 2016.Steamboat transport remained a viable industry, both in terms of passengers and freight until the end of the first decade of the 20th century. Among the several Mississippi River system steamboat companies was the noted Anchor Line, which, from 1859 to 1898, operated a luxurious fleet of steamers between St. Louis and New Orleans.Italian explorer Giacomo Beltrami, wrote about his journey on the Virginia, which was the first steam boat to make it to Fort St. Anthony in Minnesota. He referred to his voyage as a promenade that was once a journey on the Mississippi. The steamboat era changed the economic and political life of the Mississippi, as well as the nature of travel itself. The Mississippi was completely changed by the steamboat era as it transformed into a flourishing tourist trade.Smith, Thomas Ruys. River of Dreams : Imagining The Mississippi Before Mark Twain. Baton Rouge: Louisiana State University Press, 2007. eBook Academic Collection (EBSCOhost). Web. March 30, 2016.

Civil War

File:Battle of Vicksburg, Kurz and Allison.png|thumb|Battle of Vicksburg (ca. 1888)]]File:Mississippi River from Eunice, Arkansas.jpg|thumb|Mississippi River from Eunice, ArkansasEunice, ArkansasControl of the river was a strategic objective of both sides in the American Civil War. In 1862 Union forces coming down the river successfully cleared Confederate defenses at Island Number 10 and Memphis, Tennessee, while Naval forces coming upriver from the Gulf of Mexico captured New Orleans, Louisiana. The remaining major Confederate stronghold was on the heights overlooking the river at Vicksburg, Mississippi, and the Union's Vicksburg Campaign (December 1862 to July 1863), and the fall of Port Hudson, completed control of the lower Mississippi River. The Union victory ending the Siege of Vicksburg on July 4, 1863, was pivotal to the Union's final victory of the Civil War.

20th and 21st centuries

{{see also|Great Mississippi Flood of 1927|Great Flood of 1951|Great Mississippi and Missouri Rivers Flood of 1993}}The "Big Freeze" of 1918–19 blocked river traffic north of Memphis, Tennessee, preventing transportation of coal from southern Illinois. This resulted in widespread shortages, high prices, and rationing of coal in January and February.WEB,weblink Southeast Missouri State University: The Big Freeze, 1918–1919,, November 6, 2010, dead,weblink" title="">weblink June 27, 2010, mdy-all, In the spring of 1927, the river broke out of its banks in 145 places, during the Great Mississippi Flood of 1927 and inundated {{convert|27000|sqmi|km2|abbr=on}} to a depth of up to {{convert|30|ft}}.In 1962 and 1963, industrial accidents spilled {{convert|3.5|e6gal|L}} of soybean oil into the Mississippi and Minnesota rivers. The oil covered the Mississippi River from St. Paul to Lake Pepin, creating an ecological disaster and a demand to control water pollution.WEB,weblink Mississippi River Oil Spill, 1962–1963, Manulik, Joseph, October 29, 2012publisher= Minnesota Historical Society, November 3, 2012, On October 20, 1976, the automobile ferry, MV George Prince, was struck by a ship traveling upstream as the ferry attempted to cross from Destrehan, Louisiana, to Luling, Louisiana. Seventy-eight passengers and crew died; only eighteen survived the accident.In 1988, the water level of the Mississippi fell to {{convert|10|ft}} below zero on the Memphis gauge. The remains of wooden-hulled water craft were exposed in an area of {{convert|4.5|acre|ha}} on the bottom of the Mississippi River at West Memphis, Arkansas. They dated to the late 19th to early 20th centuries. The State of Arkansas, the Arkansas Archeological Survey, and the Arkansas Archeological Society responded with a two-month data recovery effort. The fieldwork received national media attention as good news in the middle of a drought.WEB
, UA-WRI Research Station
, Historical Archeology
, Ghost Boats of the Mississippi
,weblink" title="">weblink
, dead
, 2012-12-12
The Great Flood of 1993 was another significant flood, primarily affecting the Mississippi above its confluence with the Ohio River at Cairo, Illinois.Two portions of the Mississippi were designated as American Heritage Rivers in 1997: the lower portion around Louisiana and Tennessee, and the upper portion around Iowa, Illinois, Minnesota, Missouri and Wisconsin. The Nature Conservancy's project called "America's Rivershed Initiative" announced a 'report card' assessment of the entire basin in October 2015 and gave the grade of D+. The assessment noted the aging navigation and flood control infrastructure along with multiple environmental problems."Mississippi River Basin Receives D+ in First-Ever Report Card" (Press Release). U.S. Army Corps of Engineers. Mississippi Valley Division. October 14, 2015. Retrieved November 7, 2015. US Army Corps of Engineers website(File:Mississippi-River-Sandbar-Sunset.jpg|thumb|Campsite at the river in Arkansas)In 2002, Slovenian long-distance swimmer Martin Strel swam the entire length of the river, from Minnesota to Louisiana, over the course of 68 days. In 2005, the Source to Sea ExpeditionWEB,weblink Source to Sea, Source to Sea, March 12, 2013, dead,weblink" title="">weblink April 8, 2013, mdy-all, paddled the Mississippi and Atchafalaya Rivers to benefit the Audubon Society's Upper Mississippi River Campaign.WEB, Upper Mississippi River Campaign, National Audubon Society, 2006,weblink November 29, 2006,weblink" title="">weblink November 24, 2006, WEB, Paddling the Mississippi River to Benefit the Audubon Society, Source to Sea: The Mississippi River Project, Source to Sea 2006, 2006,weblink November 29, 2006, dead,weblink" title="">weblink December 7, 2006, mdy-all,


Geologists believe that the lower Mississippi could take a new course to the Gulf. Either of two new routes—through the Atchafalaya Basin or through Lake Pontchartrain—might become the Mississippi's main channel if flood-control structures are overtopped or heavily damaged during a severe flood.WEB,weblink Controlling the Mighty Mississippi's path to the sea,, January 6, 2012, March 12, 2013, WEB, Mississippi Rising: Apocalypse Now? (April 28, 2011),weblink Daily Impact, May 10, 2011, WEB,weblink Will the Mississippi River change its course in 2011 to the red line?, May 8, 2011, Mappingsupport, WEB,weblink Dr. Jeff Masters' WunderBlog : Mississippi River sets all-time flood records; 2nd major spillway opens : Weather Underground,, March 12, 2013, NEWS, Contributing Op-Ed columnist,weblink Floods are a reminder of the Mississippi River's power: John Barry,, May 16, 2011, Failure of the Old River Control Structure, the Morganza Spillway, or nearby levees would likely re-route the main channel of the Mississippi through Louisiana's Atchafalaya Basin and down the Atchafalaya River to reach the Gulf of Mexico south of Morgan City in southern Louisiana. This route provides a more direct path to the Gulf of Mexico than the present Mississippi River channel through Baton Rouge and New Orleans. While the risk of such a diversion is present during any major flood event, such a change has so far been prevented by active human intervention involving the construction, maintenance, and operation of various levees, spillways, and other control structures by the U.S. Army Corps of Engineers.File:Old River Control Structure Complex.jpg|thumb|The Old River Control Structure complex. View is to the east-southeast, looking downriver on the Mississippi, with the three dams across channels of the Atchafalaya River to the right of the Mississippi. Concordia Parish, Louisiana is in the foreground, on the right, and Wilkinson County, MississippiWilkinson County, MississippiThe Old River Control Structure, between the present Mississippi River channel and the Atchafalaya Basin, sits at the normal water elevation and is ordinarily used to divert 30% of the Mississippi's flow to the Atchafalaya River. There is a steep drop here away from the Mississippi's main channel into the Atchafalaya Basin. If this facility were to fail during a major flood, there is a strong concern the water would scour and erode the river bottom enough to capture the Mississippi's main channel. The structure was nearly lost during the 1973 flood, but repairs and improvements were made after engineers studied the forces at play. In particular, the Corps of Engineers made many improvements and constructed additional facilities for routing water through the vicinity. These additional facilities give the Corps much more flexibility and potential flow capacity than they had in 1973, which further reduces the risk of a catastrophic failure in this area during other major floods, such as that of 2011.Because the Morganza Spillway is slightly higher and well back from the river, it is normally dry on both sides.WEB,weblink Morganza ready for flood | The Advertiser,, May 12, 2011, May 16, 2011, {{dead link|date=June 2016|bot=medic}}{{cbignore|bot=medic}} Even if it failed at the crest during a severe flood, the flood waters would have to erode to normal water levels before the Mississippi could permanently jump channel at this location.{{citation needed|date=June 2017}} During the 2011 floods, the Corps of Engineers opened the Morganza Spillway to 1/4 of its capacity to allow 150,000 ft3/sec of water to flood the Morganza and Atchafalaya floodways and continue directly to the Gulf of Mexico, bypassing Baton Rouge and New Orleans.weblink" title="">Estimated Inundation (US Army Corps of Engineers) In addition to reducing the Mississippi River crest downstream, this diversion reduced the chances of a channel change by reducing stress on the other elements of the control system.NEWS, Mark Schleifstein, The Times-Picayune,weblink Mississippi River flooding in New Orleans area could be massive if Morganza spillway stays closed,, May 16, 2011, Some geologists have noted that the possibility for course change into the Atchafalaya also exists in the area immediately north of the Old River Control Structure. Army Corps of Engineers geologist Fred Smith once stated, "The Mississippi wants to go west. 1973 was a forty-year flood. The big one lies out there somewhere—when the structures can't release all the floodwaters and the levee is going to have to give way. That is when the river's going to jump its banks and try to break through."WEB, McPhee, John,weblink McPhee, The Control of Nature: Atchafalaya,, February 23, 1987, May 16, 2011, Another possible course change for the Mississippi River is a diversion into Lake Pontchartrain near New Orleans. This route is controlled by the Bonnet Carré Spillway, built to reduce flooding in New Orleans. This spillway and an imperfect natural levee about 4–6 meters (12 to 20 feet) high are all that prevents the Mississippi from taking a new, shorter course through Lake Pontchartrain to the Gulf of Mexico.WEB,weblink Bonnet Carre Spillway, Norco, LA,, April 10, 2008, May 16, 2011, Diversion of the Mississippi's main channel through Lake Pontchartrain would have consequences similar to an Atchafalaya diversion, but to a lesser extent, since the present river channel would remain in use past Baton Rouge and into the New Orleans area.


File:MississippiRiverBluffs.jpg|thumb|upright|Great River Road in Wisconsin near Lake PepinLake PepinThe sport of water skiing was invented on the river in a wide region between Minnesota and Wisconsin known as Lake Pepin.WEB, The Beginning,weblink 2009, USA Water, July 30, 2009, Ralph Samuelson of Lake City, Minnesota, created and refined his skiing technique in late June and early July 1922. He later performed the first water ski jump in 1925 and was pulled along at {{convert|80|mph|abbr=on}} by a Curtiss flying boat later that year.There are seven National Park Service sites along the Mississippi River. The Mississippi National River and Recreation Area is the National Park Service site dedicated to protecting and interpreting the Mississippi River itself. The other six National Park Service sites along the river are (listed from north to south):


File:Paddlefish underwater.jpeg|thumb|The American paddlefish is an ancient relict from the Mississippi]]The Mississippi basin is home to a highly diverse aquatic fauna and has been called the "mother fauna" of North American fresh water.BOOK, Matthews, W.J., Patterns in Freshwater Fish Ecology, 1998, 5 and 236, 978-1-4615-4066-3,


About 375 fish species are known from the Mississippi basin, far exceeding other North Hemisphere river basin exclusively within temperate/subtropical regions, except the Yangtze.BOOK, Ye, S.; Li, Z.; Liu, J;, Zhang, T.; and Xie, S., Distribution, Endemism and Conservation Status of Fishes in the Yangtze River Basin, China, 2011, 41–66, Ecosystems Biodiversity, 978-953-307-417-7, Within the Mississippi basin, streams that have their source in the Appalachian and Ozark highlands contain especially many species. Among the fish species in the basin are numerous endemics, as well as relicts such as paddlefish, sturgeon, gar and bowfin.Because of its size and high species diversity, the Mississippi basin is often divided into subregions. The Upper Mississippi River alone is home to about 120 fish species, including walleye, sauger, large mouth bass, small mouth bass, white bass, northern pike, bluegill, crappie, channel catfish, flathead catfish, common shiner, freshwater drum and shovelnose sturgeon.WEB, Fish of the Mississippi River,weblink PDF, WEB, Fish Species of the Mississippi River,weblink

Other fauna

In addition to fish, several species of turtles (such as snapping, musk, mud, map, cooter, painted and softshell turtles), American alligator, aquatic amphibians (such as hellbender, mudpuppy, three-toed amphiuma and lesser siren),BOOK, Conant, R., J.T. Collins, Reptiles and Amphibians, Eastern and Central North America, 1998, Peterson Field Guides, 3, 0-395-90452-8,weblink and cambarid crayfish (such as the red swamp crayfish) are native to the Mississippi basin.JOURNAL, Hobbs, H.H., Jr., An Illustrated Checklist of the American Crayfishes (Decapoda: Astacidae, Cambaridae, and Parastacidae), 1989, Smithsonian Journal of Zoology, 480, 480, 1–236, 10.5479/si.00810282.480,

Introduced species

Numerous introduced species are found in the Mississippi and some of these are invasive. Among the introductions are fish such as Asian carp, including the silver carp that have become infamous for outcompeting native fish and their potentially dangerous jumping behavior. They have spread throughout much of the basin, even approaching (but not yet invading) the Great Lakes.NEWS, Matheny, K., December 23, 2016, Invasive Asian carp less than 50 miles from Lake Michigan,weblink Detroit Free Press, June 13, 2017, The Minnesota Department of Natural Resources has designated much of the Mississippi River in the state as infested waters by the exotic species zebra mussels and Eurasian watermilfoil.WEB, Designation of Infested Waters, Minnesota Department of Natural Resources,weblink

Cultural references

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  • Herman Melville's novel The Confidence-Man portrayed a Canterbury Tales-style group of steamboat passengers whose interlocking stories are told as they travel down the Mississippi River. The novel is written both as cultural satire and a metaphysical treatise.
  • Many of the works of Mark Twain deal with or take place near the Mississippi River. One of his first major works, Life on the Mississippi, is in part a history of the river, in part a memoir of Twain's experiences on the river, and a collection of tales that either take place on or are associated with the river. Twain's most famous work, Adventures of Huckleberry Finn, is largely a journey down the river. The novel works as an episodic meditation on American culture with the river having multiple different meanings including independence, escape, freedom, and adventure.
  • William Faulkner uses the Mississippi River and Delta as the setting for many hunts throughout his novels. It has been proposed that in Faulkner's famous story The Bear, young Ike first begins his transformation into a man, thus relinquishing his birthright to land in Yoknapatawpha County through his realizations found within the woods surrounding the Mississippi River.
  • Much of Edna Ferber's 1926 novel Show Boat takes place on the Mississippi River. The novel is the basis for the 1927 musical play of the same title by Jerome Kern and Oscar Hammerstein II.
  • Jonathan Raban's (Old Glory: An American Voyage), a 1981 travel book describing the author's single-handed journey by boat down the river, was the winner of The Royal Society of Literature's Heinemann Award and the Thomas Cook Travel Book Award.


(File:On The Mississippi.jpg|thumb|upright|On The Mississippi, music sheet cover for a 1912 song)

See also

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Further reading

  • Ambrose, Stephen. The Mississippi and the Making of a Nation: From the Louisiana Purchase to Today (National Geographical Society, 2002) heavily illustrated
  • BOOK, John O., Anfinson, Thomas Madigan, Drew M. Forsberg, Patrick Nunnally, 2003, The River of History: A Historic Resources Study of the Mississippi National River and Recreation Area, St. Paul, MN, U.S. Army Corps of Engineers, St. Paul District, 53911450,
  • Anfinson, John Ogden. Commerce and conservation on the Upper Mississippi River (US Army Corps of Engineers, St. Paul District, 1994)
  • BOOK, Bartlett, Richard A., Rolling rivers: an encyclopedia of America's rivers, 1984, McGraw-Hill, New York, 0-07-003910-0, 10807295,weblink
  • Botkin, Benjamin Albert. A Treasury of Mississippi River folklore: stories, ballads & traditions of the mid-American river country (1984).
  • Carlander, Harriet Bell. A history of fish and fishing in the upper Mississippi River (PhD Diss. Iowa State College, 1954) online (PDF)
  • Daniel, Pete. Deep'n as it come: The 1927 Mississippi River flood (University of Arkansas Press, 1977)
  • Fremling, Calvin R. Immortal river: the Upper Mississippi in ancient and modern times (U. of Wisconsin Press, 2005), popular history
  • Milner, George R. "The late prehistoric Cahokia cultural system of the Mississippi River valley: Foundations, florescence, and fragmentation." Journal of World Prehistory (1990) 41 pp: 1–43.
  • Morris, Christopher. The Big Muddy: An Environmental History of the Mississippi and Its Peoples From Hernando de Soto to Hurricane Katrina (Oxford University Press; 2012) 300 pages; links drought, disease, and flooding to the impact of centuries of increasingly intense human manipulation of the river.
  • BOOK, Penn, James R., Rivers of the world: a social, geographical, and environmental sourcebook, 2001, ABC-CLIO, Santa Barbara, CA, 1-57607-042-5, 260075679,
  • BOOK, Smith, Thomas Ruys, River of dreams: imagining the Mississippi before Mark Twain, 2007, Louisiana State University Press, Baton Rouge, 978-0-8071-3233-3, 182615621,
  • BOOK, Quinta, Scott, The Mississippi: A Visual Biography, 2010, University of Missouri Press, Columbia, MO, 978-0-8262-1840-7, 277196207,
  • BOOK, Michael, Pasquier, Gods of the Mississippi, 2013, Indiana University Press, Bloomington, 978-0-253-00806-0,

External links

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