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Name

Nicosia Stone Quarry

Nicosia Stone Quarry

Bethlehem Steel--Johnstown, Pa.

Unnamed Clay Prospect

Unnamed Clay Prospect

Unnamed Sandstone Quarry

Laurel Run Clay Prospect

Upper Yoder Pit

Unnamed Shale Prospect

South Fork Clay Prospect

Unnamed Shale Prospect

Unnamed Clay Pit

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