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2 results returnedTexas Mica and Feldspar Co. Culberson and Hudspeth counties, Texas
Estimate of Known Recoverable Reserves of Coking Coal in Somerset County, Pennsylvania
Published Year
Subject
- Coal -- Pennsylvania -- Somerset County. (1)
- Coal mines and mining -- United States. (1)
- Feldspar--Texas (1)
- Mica--Texas (1)
Author
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