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Report of the Bureau of Mines of the Department of Internal Affairs of Pennsylvania . ai d C C C C S ClJ c cc c cd c3 cj CtJ C C C C C C C 5 d cC cJ « rf cd rt rf o o o o Oj oJ d ^ C C C C C C ai 3! 33 o o o oJ d oi cd oJ ca C C C C s c C C c c c c d 0) d C!i d ca iSii S c: tf rf d d rt cs ca .^.i! .a: .X .^.i: 0! d ^ CO ca d ca<; M l<i li S-PS r ca3is ca ca ca < C C C I C C C I c3 d CS i rt rt s I ^^^; o o :j > .i (u 1 .L d •- o Ph m^§ c c c c c p; C (- 4) 0) 1) C •^B!H2S d jSgS CO Scom^ SSS w§ m S mmSwcoS SSw SccmS m mcoS wtoSSSm ScS- S t. I. t. S o o 3 d da Sosw SjS 3 .C a .:C 5 c a J scss-iS uss . OJ »- a;<U O TJ o CXI djo t; d Q d d S . c^ ca d , t-dCCu — C . d .i c =^ o ?- J3
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectcoalmin, bookyear1903
