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Rock, C. A.
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YearOperation NameNumberTypeOpeningDistrictCityCountyCompany NameRailroad Shipments (tons)Railroad to MineTruck Shipments (tons)Total Production (tons)Days WorkedEmployeesNotes
1965 Pancoast116-1Stripping1Throop 1LackawannaRock, C. A.1851225375Coal prepared at Penbrook Breaker.
1966 Pancoast116-1Stripping1Throop 1LackawannaRock, C. A.38107555765Coal prepared at Ace and Penbrook breakers.

Note 1: Added, does not appear in the mine inspection report.