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Streamflow Measurements for the Nation

USGS 13185500 COTTONWOOD CREEK AT ARROWROCK RESERVOIR ID

Boise County, Idaho
Hydrologic Unit Code 17050112
Latitude  43°37'56", Longitude 115°49'25" NAD27
Drainage area 20.90  square miles
Contributing drainage area 20.9  square miles
Gage datum 3,220 feet above NGVD29

Period of record
Begin Date End Date Count
1975-09-11 2015-09-30 6

 
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