McKinnan Gulch prospect, Bolinas Ridge, Stinson Beach, Marin Co., California, USA
A Cu prospect located on Bolinas Ridge, 100 yards W of Bolinas Ridge Road at the head of McKinnan Gulch, 3.3 km (2.1 miles) N of Stinson Beach.
ReferencesVer Planck, Wm. E., Jr. (1955), Mines, mineral resources and mineral industries of Marin County, California: California Journal of Mines and Geology, California Division of Mines (Report 51): 51(3): 267, 279, Pl. __. NOTE: Reference plate number truncated by MRDS database.
| Calcite|| Chalcopyrite|| Galena|| Pyrite|
4 entries listed. 4 valid minerals.
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