Report of the Bureau of Mines of the Department of Internal Affairs of Pennsylvania . -?If if5 52__ c;?:?:f;jjoo CHlScJ^SHXSPWCUiJBt- No. 10. EIGHTH ANTHRACITE DISTRICT. 389 M <u ~ e S «) ax bo) f s « E 5 ^ E :.iip;
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectcoalmin, bookyear1900
