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Mine detail: N.West Branch Slate Quarry
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North America
United States
Michigan
Marquette
Previously called ''
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Location
Lat / long:
46.8, -87.90283
Resource(N)
Primary:
Granite
Production
Operation type:
Surface
Development status:
Past Producer
Geology
References
MAS
261030209
DEP
10243240
Reference
{Deposit:: ALLEN,R.C.MICH.GEOL.AND BIOL.SURV.PUBL.16,MINERAL}{Deposit:: RESOURCES OF MICH.1914,PP 93}
Reporter
Eastern Field Operations Center (EFOC)