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Mine detail: Hoffmans Quarry
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North America
United States
Pennsylvania
Philadelphia
Previously called ''
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Location
Lat / long:
40.01671, -75.08291
Resource(M)
Tertiary:
Tungsten
Production
Operation type:
Unknown
Development status:
Past Producer
Geology
References
MAS
421010001
DEP
10299404
Reference
{Deposit:: SOURCE- WFOC FILE TRANSFER 5-2-75}{Deposit:: USGS MINERAL RESOURCE MAP MR-25, 1962, P. 17.}{Deposit:: USGS GEOLOGICAL ATLAS FOLIO 162, 1909}
Reporter
Unknown