Description: Navigable rivers in the United States in about 1820.    Place Names: Transportation, Alabama, Arkansas, Delaware, Florida, Georgia,  Illinois, Indiana, Iowa,   Kentucky, Louisiana, Maryland, Mississippi, Missouri, Ohio,  Pennsylvania, Tennessee,   United States, Virginia, West Virginia, water routes, navigable river  ISO Topic Categories: oceans, 
location, 
inlandWaters, 
boundaries  Keywords: Navigable Rivers, borders, historical, physical, transportation, water routes, kTransportation, physical features, water routes, historical event, oceans, 
location, 
inlandWaters, 
boundaries, Unknown, 1820 Source: S.E. Forman, Advanced American History (New York, NY: The Century Company, 1919) 332 Map Credit: Courtesy the private collection of Roy Winkelman |  
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