Latitude 37°52'54", Longitude 121°51'28" NAD27
Contra Costa County, California , Hydrologic Unit 18040003
Well depth: not determined. Land surface altitude: 800.00
feet above NGVD29.
Well completed in "Other aquifers" (N9999OTHER) national aquifer.
Well completed in "Cretaceous System" (210CRCS) local aquifer