USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Contra Costa County, California

Hydrologic Unit Code 18050001

Latitude 38°02'34", Longitude 121°55'09" NAD27

Gage datum 0 feet above NGVD29

**Period of record**
Begin Date	End Date	Count
2013-01-10	2014-01-15	57

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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: California Water Data Support Team
Page Last Modified: 2024-11-23 07:45:40 EST
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