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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 06601200 Missouri River at Decatur, NE


Monona County, Iowa
Hydrologic Unit Code 10230001
Latitude  42°00'26", Longitude  96°14'29" NAD27
Drainage area 316,200  square miles
Gage datum 1,010.56 feet above NAVD88
Location of the site in Iowa