. Official proceedings . 352 Proceedings Railway Club of Pittsburgh. MR. A. B. KISER: These are the wheels of an old ropehaulage. I say old. because it is not modern mine though these mines are in operation at Idlewood. The turnsare very abrupt and it shows the method of carrying the ropearound the turns. Coal: Origin, Formaticjii. Methods of Alining. 353 laOSSfitff^^ piiTdBURiGH Coal Co: 5771

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