USGS 05490500 Des Moines River at Keosauqua, IA
Van Buren County, Iowa
Hydrologic Unit Code 07100009
Latitude 40°43'40.1", Longitude 91°57'34.61"
NAD83
Drainage area 14,038 square miles
Gage datum 543.55 feet above NAVD88
Location of the site in Iowa