San Geronimo prospect, San Geronimo, Marin Co., California, USA
A Au prospect located 0.4 km (1,200 feet) ENE of San Geronimo.
Workings incolude a 200 foot deep shaft that has been filled in as a safety precaution.
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): 268-269, 280, Pl. 4.
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