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Streamflow Measurements for the Nation

04180988 St. Marys River at Rockford OH

Mercer County, Ohio
Hydrologic Unit Code 04100004
Latitude  40°41'41", Longitude  84°38'48" NAD27
Drainage area 340  square miles
Gage datum 787.39 feet above NAVD88
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Graph of streamflow measurement data at USGS 04180988 St. Marys River at Rockford OH
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