South Dakota · Custer County
Past Producer
New York
Custer County, South Dakota, United States
Tin Beryllium Mica Feldspar
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
TertiaryTin, Beryllium, Mica, Feldspar
Commodity typeB
Materials
Other materialsAlabandite, Beryl, Cassiterite, Columbite, Feldspar, Muscovite, Quartz, Spodumene, Tantalite, Tourmaline
Economic & production
Development statusPast Producer
First production1880
Discovery year1880
Community notes
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References
PAGE, LINCOLN R, ET AL, 1953, PEGMATITE INVESTIGATIONS, 1942BLACKS HILLS, SOUTH DAKOTA. USGS PROP PAPER 247, P163-170.LINCOLN, FRANCIS C, 1937, THE MINING INDUSTRY OF SOUTH DAKOTSOUTH DAKOTA SCH OF MINES BULL 17, P31-2.
Identification
Deposit ID10202275
Alternate namesWestinghouse No 1, New York Mine
RegionNA
Data scoreB
Coordinates43.70216, -103.68617
Base: USGS MRDS (public domain, frozen 2011). Community notes © their authors, CC-BY. Land data live from BLM.