USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Ontonagon County, Michigan

Hydrologic Unit Code 04020102

Latitude 46°34'04", Longitude 89°38'58" NAD27

Drainage area 25.2 square miles

**Period of record**
Begin Date	End Date	Count
1970-09-01	1976-08-25	3

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U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Streamflow Measurements
URL: https://waterdata.usgs.gov/nwis/measurements?

Page Contact Information: Michigan Water Data Support Team
Page Last Modified: 2025-09-05 15:12:00 EDT
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