Reports of the Inspectors of Mines of the anthracite and bituminous coal regions of Pennsylvania, for the year .. . r *et />ro/>-t fmr AiJ our* protect i on, ,<€ *d i* the £_*:*reju fill I Win /• 9

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Keywords: ., bookcentury1800, bookdecade1880, booksubjectcoalmin, bookyear1889