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Site Map for Iowa

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Boating safety tips are available from the U.S. Coast Guard.

NOTE: Station Numbers for Iowa precipitation gages have changed (see list).


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