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DESCRIPTION:

Latitude 38°01'48",   Longitude 122°09'06"   NAD27

Contra Costa County, California, Hydrologic Unit 18050001

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1977-11-10	2024-02-01	11
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