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Mine detail: Portland Monson Slate Co
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North America
United States
Maine
Piscataquis
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Location
Lat / long:
45.27856, -69.4616
Resource(N)
Primary:
Slate, Dimension
Ore:
Slate
Production
Operation type:
Unknown
Deposit type:
Metamorphic
Production size:
Small
Development status:
Past Producer
Geology
References
MRDS
W019791
DEP
10073655
Reference
MESA INS
Reporter
Unknown