Girty Quarry and PlantPast Producer • Limestone, General
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Manor Minerals, Limestone QuarryPast Producer • Limestone, General
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Continental Clay Prod. Clay MinePast Producer • Clay
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Drexel MinePast Producer • Clay
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Penn Dixie QuarryPast Producer • Limestone, General
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Logan Clay Products PitPast Producer • Clay
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M&M Lime Company MinePast Producer • Limestone, General
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Tarrtown Pit and MillPast Producer • Sand and Gravel, Construction
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Parker Pit and MillPast Producer • Sand and Gravel, Construction
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Drexel PitPast Producer • Clay
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Bradys Bend Mine & PlantPast Producer • Limestone, General
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Drexel Mine & Mill RefractoriesProducer • Clay
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Manor Minerals Quarry and MillProducer • Stone, Crushed/Broken
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Babcox & Wilcox Parks Twp PlantPast Producer • Zirconium
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Clarion Horizon Plastic Clay of CUnknown •
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George Limestone QuarryPast Producer • Stone, Crushed/Broken
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Limestone OperationProducer • Stone, Crushed/Broken
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W Allegheny Ls Qy & MillProducer • Stone, Crushed/Broken
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Manorville Plant & PitPast Producer • Sand and Gravel, Construction
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Adrian Mill--Freeport Brick CoPast Producer • Clay
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Unnamed Limestone QuarryPast Producer • Stone, Crushed/Broken
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Graff Limestone QuarryPast Producer • Stone, Crushed/Broken
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Godfrey PitPast Producer • Sand and Gravel, Construction
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Kittanning Iron Co. Ls QuarryPast Producer • Stone, Crushed/Broken
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Continental Clay CompanyPlant • Clay
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Tarrtown Plant 1Producer • Sand and Gravel, Construction
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Alcoa Technical CenterPast Producer • Aluminum
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Pine Creek Furnace QuarryPast Producer • Stone, Crushed/Broken
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Allegheny Dredge and MillProducer • Sand and Gravel, Construction
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Bradys Bend Mine & Plt--Kaylor #3Producer • Stone, Crushed/Broken
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Mccanna Lime QuarryProducer • Calcium
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Unnamed Clay MinePast Producer • Kaolin
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Parker Pit and MillProducer • Sand and Gravel, Construction
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J.A.Colwell Limestone QuarryPast Producer • Stone, Crushed/Broken
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M & M Lime Co--Worthington, Pa.Producer • Calcium
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Penn Dixie QuarryPast Producer • Stone, Crushed/Broken
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Washington QuarryPast Producer • Stone, Crushed/Broken
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M&M Lime Company MineProducer • Stone, Crushed/Broken
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Nuclear Fuels Plant--Apollo, Pa.Producer • Thorium
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Cochran Mills Limestone ProspectOccurrence • Limestone, General
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Girty Plant and QuarryProducer • Stone, Crushed/Broken
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Logan Clay Products PitProducer • Clay
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Bridgeburg Dredge and MillProducer • Sand and Gravel, Construction
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Babcox & Wilcox Leechburg PlantPast Producer • Thorium
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Truett Property ProspectProspect • Clay
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Limestone Dredge and MillProducer • Sand and Gravel, Construction
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Unnamed Sandstone QuarryPast Producer • Flagstone
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Kittanning Limestone QuarryPast Producer • Stone, Crushed/Broken
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Kittaning -Rural Valley QuarryPast Producer • Stone, Crushed/Broken
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Reynolds Limestone QuarryPast Producer • Stone, Crushed/Broken
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Unnamed Limestone QuarryPast Producer • Stone, Crushed/Broken
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Harbison-Walker--Templeton MillPast Producer • Fire Clay (Refractory)
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