Mine detail: Thornberg Black Granite Quarry

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Location: Washington County, Maine, United States, North America
Lat / long: 44.59415, -69.7347
dep_id: 10291661
mas_id: 230290044
Commodity type: nonmetallic
Major mineral: Granite
Operation type: Surface
Development status: Past Producer
Reporter: Eastern Field Operations Center (EFOC)
References:
  • Deposit:: AUSTIN, MURIEL B & HUSSEY II, ARTHUR M, MAY 1, 1958, ME GEOL
  • Deposit:: SURVEY MIN RES INDER SERIES NO. 2, P. 29.
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