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Description: | Semet-Solvay was founded in 1894, manufacturing coke and its by-products. Caption reads: "Semet-Solvay Coke Ovens, Lebanon, PA." |
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Description: | The Old Cornwall Charcoal Furnace was originally built by Peter Grubb in 1742, and later closed in 1883. Caption reads: "Old Charcoal Furnace, Built 1742, ... |
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