Report of the Bureau of Mines of the Department of Internal Affairs of Pennsylvania . IStoSS SSmS SoJwai ^jmimS, a xSmxaai SS SS sssss? ssaa ??s:2;2 .sasis fs a^R^a- ss pr S5q Sh E : ciccr ^ icEfci >£ i£ ^ d S3f-=! lilt— . ji i5c\-5 .SiiSii iiSc ^ I •sSee Pucc<<! 5-5^E SESE E£§55: t Etic^l J- *c<;;«< <<o<; <<s«o o < <aa ««.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectcoalmin, bookyear1903