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. Report of the Bureau of Mines of the Department of Internal Affairs of Pennsylvania . « CO rr c^ ?• i-iLQCfl CO OCOc6lO<OC^I 00 S la »0 C^l CO t-t-?^ rM c I i-C id iH G<I C^ C^ (M rH 10 -M .-H I— — CS CO o c T-4Cq WrHCSl^ COOOQOCOt-C 3h-lrticOCOi£5r-*CO Dt^OlOCO-^lOCOt- ^^t-0500C0O00CCt^M00TtlfiCi jcocoosOioGoi— ^?^M^-tac -r CSt-rH^C rH<^0 CiCO sijsco ? .00 CO .-CVCN rHC CD CD CO «*5 •- C COMiH <3i CSI-^COOO- c»coaio%t:^iat-(Ot-»i<4oOi-icott--^coocoT-«weoc*jiHeQ c^lr-r^cOt-cocD-^-^corHr-- t--U3C*at-U5CQ ea. tHfHi-icm stfiiftO-sjuiocjooooiOco^eato I j-l l5 CO CO C^l CO^f-Hr-l-.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectcoalminesandmining