[DOC] [TLE] List of longest rivers of the United States (by main stem) - Wikipedia [PAR] The Mississippi drainage basin includes the Missouri and the Mississippi rivers, 
the two longest main-stem rivers in the United States, as well as 18 more of the 
rivers on this list. The Mississippi main stem is highlighted in dark blue. The main 
stems of 38 rivers in the United States are at least 500 miles (800 km) long. The 
main ... "the primary downstream segment of a river, as contrasted to its 
tributaries". [DOC] [TLE] Mississippi River - Wikipedia [PAR] The Mississippi River is the chief river of the largest drainage system on the North 
American ... Native Americans long lived along the Mississippi River and its 
tributaries. ... considered a convenient if approximate dividing line between the 
Eastern, Southern, and Midwestern United States, and the Western United States
. [DOC] [TLE] Missouri River - Wikipedia [PAR] The Missouri River is the longest river in North America. Rising in the Rocky 
Mountains of ... Flowing eastwards through the plains of eastern Montana, the 
Missouri .... The Minnesota and Des Moines Rivers, tributaries of the upper 
Mississippi, drain most of the area bordering the eastern side of the Missouri 
River basin. [DOC] [TLE] Mississippi River | river, United States | Britannica.com [PAR] Jun 12, 2015 ... Mississippi River, the longest river of North America, draining with its major ... the 
Missouri River (to the west) and the Ohio River (to the east), ... With its tributaries, 
the Mississippi drains all or part of 31 U.S. states and two... [DOC] [TLE] The Mississippi River and the Expansion of America [PAR] The Mississippi River is the largest river system in the United States,at more than 
... Along with its major tributary, the Missouri River, the river drains all or parts of 
... to the Appalachian Mountains in the east to the Canadian border on the north,
... [DOC] [TLE] Mississippi (river US) facts, information, pictures | Encyclopedia.com ... [PAR] One of the major rivers of North America, the Mississippi River has been a focal ... 
it is the second longest river in the United States behind the Missouri (2,466 miles
). ... The river initially flows north and then east as the means of connecting .... on 
the Mississippi River and most of its tributaries from Minnesota to Missouri. [DOC] [TLE] Mississippi River - New World Encyclopedia [PAR] Nov 7, 2014 ... The longest river in North America is its tributary, the Missouri River, ..... rights to 
all land in the valley east of the Mississippi and Spain rights to... [DOC] [TLE] Mississippi River Facts - Mississippi National River & Recreation ... [PAR] It is the third longest river in North America, flowing 2,350 miles from its ... fourth 
largest in the world, extending from the Allegheny Mountains in the east to the ... 
that close to 15 million people rely on the Mississippi River or its tributaries in just
... [DOC] [TLE] Rivers in North America - North American Rivers, Major Rivers in ... [PAR] Nov 17, 2015 ... It's the longest river in Canada and dissects the Northwest Territories. ... If then 
combined with its tributaries - the Slave, Peace and Finlay rivers - it extends to (
2,635 ... river in North America, second only to the Mississippi/Missouri river ... 
Caribbean  Central America  Europe  Middle East  North America... [DOC] [TLE] You Gotta Know These North American Rivers - National Academic ... [PAR] The Mississippi River is the second-longest in North America behind the ... 
tributaries including the Illinois, Missouri, Ohio, Arkansas, and Red Rivers ... The 
St. Lawrence River drains the Great Lakes and serves as a major waterway of 
eastern... [DOC] [TLE] ofr87-242--Largest Rivers in the United States [PAR] It is common knowledge that the Mississippi is the largest U.S. river, but what is ... 
tributary to other rivers on the list; the remaining rivers discharge directly into ... 1, 
Arkansas, Arkansas, 41.0, (16), 161, (9), 1,469, (6), East Fork Arkansas River, ....

Question: Longest American river east of the Mississippi is this tributary of the Mississippi
Answer: the Ohio