St. Louis, Missouri (flows into the Middle Mississippi) [1]
Length
1,300 miles (2092.147 km) [3]
Basin size
490,000 km2 (190,000 sq mi)[4]
Discharge
• average
5,796 m3/s (204,700 cu ft/s)[5]
Barge going under the Mississippi River Bridge (La Crosse, Wisconsin)
The Upper Mississippi River is the portion of the Mississippi River upstream of St. Louis, Missouri, United States,[1] at the confluence of its main tributary, the Missouri River.[citation needed]
The UpperMississippiRiver is the portion of the MississippiRiver upstream of St. Louis, Missouri, United States, at the confluence of its main tributary...
The MississippiRiver is the primary river, and second-longest river, of the largest drainage basin in the United States. From its traditional source of...
The MississippiRiver System, also referred to as the Western Rivers, is a mostly riverine network of the United States which includes the Mississippi River...
crossings of the UpperMississippiRiver which begins at the MississippiRiver's source and extends to its confluence with the Ohio River at Cairo, Illinois...
Iowa rivers are part of the MississippiRiver Watershed, which in Iowa consists of the UpperMississippiRiver Drainage Basin and the Missouri River Drainage...
merges with the Mississippi Flyway between Missouri and the Gulf of Mexico. In the northern portions of the UpperMississippiRiver, the birds congregate...
MississippiRiver is the portion of the MississippiRiver downstream of Cairo, Illinois. From the confluence of the Ohio River and UpperMississippi River...
UpperMississippiRiver distances from U.S. Army Corps of Engineers. Lower MississippiRiver distances from U.S. Army Corps of Engineers. Ohio River distances...
confluence with the MississippiRiver. This has led to the new hypothesis that the ancient UpperMississippiRiver (also named the Wyalusing River) at one time...
Minnesota and Wisconsin, which comprise the watersheds of the UpperMississippiRiver and upper Great Lakes.[citation needed] The USGS Mineral Resources Program...
Minnesota has 6,564 natural rivers and streams that cumulatively flow for 69,000 miles (111,000 km). The MississippiRiver begins its journey from its...
abundant in the UpperMississippiRiver basin before it was impounded. Currently, skipjack is most abundant in the UpperMississippiRiver below the mouth...
flooding. The largest flood ever recorded on the Missouri River and UpperMississippiRiver in terms of discharge. This flood was particularly devastating...
for 2,341 miles (3,767 km) before entering the MississippiRiver north of St. Louis, Missouri. The river drains semi-arid watershed of more than 500,000...
Organizations such as the MississippiRiver/Gulf of Mexico Watershed Nutrient Task Force and USDA programs such as the UpperMississippiRiver Forestry Partnership...
mapping the UpperMississippiRiver basin during the 1830s. Nicollet led three expeditions in the region between the Mississippi and Missouri Rivers, primarily...
Engineers Mississippi Valley Division (MVD) is responsible for the Corps water resources programs within 370,000-square-miles of the MississippiRiver Valley...
exclusively, is a variety of the French language spoken in the upperMississippiRiver Valley in the Midwestern United States, particularly in eastern...
involving most of the rivers in eastern Iowa which began June 8 and continued until July 1. Flooding continued on the UpperMississippiRiver in the southeastern...
The Upper Iowa River is a 156-mile-long (251 km) tributary of the MississippiRiver in the upper Midwest of the United States. Its headwaters rise in southeastern...
Mississippi, Louisiana). The plain is divided into (a) the MississippiRiver Delta in the southern half of Louisiana and (b) the upperMississippi Embayment...