Latitude: 37°57'0"N
Longitude: 122°0'41"W
A former Ca mine located 4.2 km (2.6 miles) E of Pleasant Hill.
References
Logan, Clarence August (1947), Limestone in California: California Journal of Mines and Geology, California Division Mines (Report 43): 43(3): 222.
Davis, Fenelon Francis and H.B. Goldman (1958) Mines and mineral resources of Contra Costa County. California Journal of Mines and Geology: 54(4): 572.
Mineral List
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