USGS 06809900 East Nishnabotna River at Riverton, IA
Fremont County, Iowa
Hydrologic Unit Code 10240003
Latitude 40°41'40.6", Longitude 95°33'45.3"
NAD83
Drainage area 1,105 square miles
Gage datum 911.33 feet above NAVD88
Location of the site in Iowa