Report of the Department of Mines of Pennsylvania . No. 23. TWENTY-SIXTH BITUMINOUS DISTRICT 941 5 m s 1 * M o 1 O rH 1 i § e» $ 1 - o o n a a a a a a a 3 3 3 a . .3 J3 ja a J3 .3 .3 £1 HH H H H E-i Eh H H H H H . - jd .3 si J3 .3 S3 bjjbo bo bo be be bo bO bO bo U 3 3 3 3 3 3 3 3 SiO £1 ,C ?Q ,3 € £1 ?§ •§ 43 £3 ftft a. Cj ft Cu ft ft ft ft ft ft S3 . lO t~ 1 1 1 3 a el C3 O bo o bo 3 a OJ 3 (p c3 o O O Z fc a iz CJ 5 H 4- oHOft ft ,& 942 REPORT OF THE DEPARTMENT OF MINES Off. Doc.

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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectmineralindustries