. Report of the Department of Mines of Pennsylvania . 13 ; 1 ;i 1 i 1 1 ! ! ! ! ! i ! 1 1 1 1 ^ i i 1 1 j 1^ 1 1 s Gaseous, — Gaseous, .. S 1 1 1 o 1 1 1 C3 1 1 1 Oil! 00 1 1 O <U 1 1 tn 1 1ca 1 1O 1 1 is 11 1 O J 1 03 1 1le 1 1 •aa * oi„ aS fa «« C3 1 1 1 1 i i i 1 i i i [ i i 1 1 i 1 1 i j j 1Drift, - 1 j 1 o i i 1 j i i i i i 1 a j j i ^ i 1 iCO 1 1 a j \\f 1 (N 1 1 1 i is i i iCO 1 1 leq 1 1 g i Oi 1 1r irillril -* s e«fl N CO M* ot» w S5 ^ »A 00 CO-^ ©<*CO c^ 00 CO cf-F-M lO-w t-00 tc 00 -w 25 00 «in •») ! ;s ; OS s — ^ ^^ ._ O en o o o a a o . - o^ o o C8 03 PQpq ^ft! l»|i
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectmineralindustries
