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German guests dive into region's history – Times News Online
Coal mining in pennsylvania hi-res stock photography and images - Alamy
Coal mining - Underground, Surface, & Drilling
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[Richards, John Stuart] on . *FREE* shipping on qualifying offers. Early Coal Mining in the Anthracite Region (PA) (Images of America)
Early Coal Mining in the Anthracite Region (PA) (Images of America)
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Deep underground in Pennsylvania's Anthracite coal region – The Lawawana Coal Mine & Museum – Canadian Military History
Deep underground in Pennsylvania's Anthracite coal region – The Lawawana Coal Mine & Museum – Canadian Military History