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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 05450400 Iowa River at Steamboat Rock, IA

Hardin County, Iowa
Hydrologic Unit Code 07080207
Latitude  42°24'28", Longitude  93°04'22" NAD27
Drainage area 735  square miles
Gage datum 990 feet above NGVD29
Location of the site in Iowa