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DESCRIPTION:

Latitude 37°54'21",   Longitude 122°03'22"   NAD27

Contra Costa County, California, Hydrologic Unit 18050001

Drainage area: 79.2 square miles

Datum of gage: 102.71 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Daily Data
Discharge, cubic feet per second	1952-10-01	1968-09-29	5843
Daily Statistics
Discharge, cubic feet per second	1952-10-01	1968-09-29	5843
Monthly Statistics
Discharge, cubic feet per second	1952-10	1968-09
Annual Statistics
Discharge, cubic feet per second	1953	1968
Peak streamflow	1952-12-07	1968-01-30	16
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