California · Placer County
Past Producer
Iowa Hill Chrome Mine
Placer County, California, United States
Chromium
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
PrimaryChromium
Commodity typeMetallic
Deposit
Deposit sizeSmall
WorkingsSurface
Orebody formPOD
Materials
Ore mineralsChromite
Geology
Host rockSerpentinite
Economic & production
Development statusPast Producer
Last production1917
Community notes
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References
RYNEARSON, G.A., 1953, CDMG BULL 134, PT. 3, CHAPT. 5, P. 216, 217.STINSON, M.C., 1975, CDMG MINERAL PROPERTY REPORT, UNPUBLISHED.BRADLEY, W.W. ET AL, 1958, CALIF. STATE MINING BUREAU BULL 76, P. 164CDMG MINERAL PROPORTY REPORT, 1975, UNPUBLISHED
Identification
Deposit ID10098563
MRDS IDM100351
Alternate namesWilliamson and Beck Property 1918
RegionNA
Data scoreB
Coordinates39.12406, -120.7877
Base: USGS MRDS (public domain, frozen 2011). Community notes © their authors, CC-BY. Land data live from BLM.