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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 06607200 Maple River at Mapleton, IA


Monona County, Iowa
Hydrologic Unit Code 10230005
Latitude  42°09'25", Longitude  95°48'35" NAD27
Drainage area 669  square miles
Gage datum 1,080.86 feet above NGVD29
Location of the site in Iowa