Report of the Bureau of Mines of the Department of Internal Affairs of Pennsylvania . uapiooB jo ajBQ c 0 >-> April 19 26 Julv 7 bl 24 28 Sept. it Nov. 16 No. 11. KKiHTIl BITUMINOUS DISTRICT. 621 *-* CO M n -5 ja 1 «j (i) ?d 0) c Q. ^iHuis jo paijjBpi co co § co co a s CO a W a a aa CO coS a a 73 SKS &~1 o M OS CO CO s b i -a C-J BI E£ S3 iH

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Keywords: ., bookcentury1800, bookdecade1890, bookidreportofbure, bookyear1897