Latitude: 37°54'11"N
Longitude: 121°53'1"W
A crushed stone prospect located 6.2 km (3.8 miles) SE of Clayton on a prong of non-park land near the eastern perimeter of the Mount Diablo State Park.
References
Davis, Fenelon Francis and H.B. Goldman (1958) Mines and mineral resources of Contra Costa County. California Journal of Mines and Geology: 54(4): 577, Pl. __. NOTE: Reference plate No. truncated by the MRDS database.
Pampeyan, Earl Haig (1963), Geology and mineral deposits of Mount Diablo, Contra Costa County, California: California Division Mines & Geology, Special Report 80, 31 pp.: 21, Pl. 1.
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