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 second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay...
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...
MississippiRiver is the portion of the MississippiRiver downstream of Cairo, Illinois. From the confluence of the Ohio River and UpperMississippi River...
confluence with the MississippiRiver. This has led to the new hypothesis that the ancient UpperMississippiRiver (also named the Wyalusing River) at one time...
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...
Iowa rivers are part of the MississippiRiver Watershed, which in Iowa consists of the UpperMississippiRiver Drainage Basin and the Missouri River Drainage...
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 a sparsely populated, semi-arid watershed...
exclusively, is a variety of the French language spoken in the upperMississippiRiver Valley in the Midwestern United States, particularly in eastern...
merges with the Mississippi Flyway between Missouri and the Gulf of Mexico. In the northern portions of the UpperMississippiRiver, the birds congregate...
Minnesota and Wisconsin, which comprise the watersheds of the UpperMississippiRiver and upper Great Lakes.[citation needed] The USGS Mineral Resources Program...
500-foot (150 m) bluff overlooking the UpperMississippiRiver opposite the confluence of the Wisconsin River. The park is operated by the Iowa Department...
UpperMississippiRiver distances from U.S. Army Corps of Engineers. Lower MississippiRiver distances from U.S. Army Corps of Engineers. Ohio River distances...
Engineers Mississippi Valley Division (MVD) is responsible for the Corps water resources programs within 370,000-square-miles of the MississippiRiver Valley...
Mississippi and Missouri Rivers Flood of 1993) was a flood that occurred in the Midwestern United States, along the Mississippi and Missouri rivers and...
best-known of these in North America; its immense mating swarms in the UpperMississippiRiver region fill the air on a few summer nights each year much like...
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...
and Ramsey, to just downstream of Hastings. This stretch of the upperMississippiRiver includes natural, historical, recreational, cultural, scenic, scientific...
variations), are a Native American people of the Great Plains, upperMississippiRiver, and western Great Lakes region. They traditionally speak the Potawatomi...