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General Refractories Company Plant, West side of old Route 220, Sproul...
Survey number: HAER PA-282 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
General Refractories Company Plant, West side of old Route 220, Sproul...
Survey number: HAER PA-282 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
General Refractories Company Plant, West side of old Route 220, Sproul...
Survey number: HAER PA-282 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description