California · Santa Clara County
Past Producer
Pennsylvania
Santa Clara County, California, United States
Manganese
Land & claims · BLM · live
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Surface manager + active mining claims at this point, live from BLM. The "open to location" notes are a general 1872-Mining-Law guide, not BLM output — decision-support only; verify with BLM MLRS and on the ground before staking or entry.
Commodities
TertiaryManganese
Commodity typeMetallic
Economic & production
Development statusPast Producer
Discovery year1917
Community notes
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References
CALIF. JOUR. MINES & GEO.U.50,NO.2APR. 1954, P.415
Identification
Deposit ID10213737
MRDS IDW025101
RegionNA
Data scoreD
Coordinates37.33662, -121.49182
Base: USGS MRDS (public domain, frozen 2011). Community notes © their authors, CC-BY. Land data live from BLM.