. Report of the Bureau of Mines of the Department of Internal Affairs of Pennsylvania . a) aj o ? . r; • C C ;ph !-o ^ rt^A: oi .-- _i ™ ^ _ . ^^ IJ w (.vj ^ -. rt, (lHPLHfHfcQ<^P^^^P<;<-,P4Wfia:ffifefeH^-^ <U(yOj4)(U(Ua;flJ(U1^<U<l*(l3J*U^l<lJ l-Sl-Sl-S-3»-3lT-3l-J-3l-3l-:-5-=-3-5^^^^ i: x; j: j= x: ^ ^d d d rt rt i 2; ^ii-j <«« . .-EHc ,_ (^ S OJ OJ -ESr o o >>,>.;». >._^ • c c c c d a! cS : oi oi ni cii d o p • D, n D. a nU O : E H S £ E oj oj : O O O O O >- !- • uoooo|5[5 : ^ ^ — ^ ; oj c^ cti cti d cfj eft o o o o o H) K • OOOUO^^ : ^•&^^. dfeSS

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectcoalminesandmining