Report of the Bureau of Mines of the Department of Internal Affairs of Pennsylvania . PQMWooouooflQPQHHWWfefefeCSOKKWWS^WWWMM No. 11 THIRD BITUMINOUS DISTRICT. 399 .- - EEo oOO u - it ud h fc t ?o ?O •OT313 8 8 01 ID vi vi vi £2 01 01 4) 838 u ?- C A c. EE E E E£? 86 oO oO OOO d d t. - L. t. i. c E E EE •ane cd d EE •dTSc cd d SEEc c c oouoooooocjuuouyoo ^ft4PHa,al(iia<o^rufea,&<fcPH^fc^aiiil|i,p»&.^ii.!(iiixeuci<FL<PHfc t— •—<—— V- V. V-i Q, *-J V- V- —. •— V- ~i V. — ^VJ tj W tH lH * a a> o a> a>* aT a> a> 4> a>4>4>4iat4>4>4&
Report of the Bureau of Mines of the Department of Internal Affairs of Pennsylvania . PQMWooouooflQPQHHWWfefefeCSOKKWWS^WWWMM No. 11 THIRD BITUMINOUS DISTRICT. 399 .- - EEo oOO u - it ud h fc t ?o ?O •OT313 8 8 01 ID vi vi vi £2 01 01 4) 838 u ?- C A c. EE E E E£? 86 oO oO OOO d d t. - L. t. i. c E E EE •ane cd d EE •dTSc cd d SEEc c c oouoooooocjuuouyoo ^ft4PHa,al(iia<o^rufea,&<fcPH^fc^aiiil|i,p»&.^ii.!(iiixeuci<FL<PHfc t— •—<—— V- V. V-i Q, *-J V- V- —. •— V- ~i V. — ^VJ tj W tH lH * a a> o a> a>* aT a> a> 4> a>4>4>4iat4>4>4>4)4>4>4>at4>4>4>4>4>4>< 33333333333333333333 33333333333333 3 3 3 3SEES. 400 REPORT OF THE BUREAU OF MINES. Off. Doc. Description of New Mines Opened During the Year 1900. Mines Situated in Armstrong County. Bradys Bend.—This is a drift mine opened on the Lower Kittan-ning coal seam; the coal is about 3 feet 4 inches thick., This open-ing is situated on the west side of the Allegheny river, while thetipples and railroad are located on the east side. The product isconveyed from the mine to the tipple in buckets holding 5 cwt. ofcoal each, by a gravity rope system. The coal seam is being workedon the gob, double entry system. The coal is being mined by threeJeffrey mining machines (chain cutter type). The electricity forthese machines is conveyed by bare wires but the machines areoperated only at night. The tail rope system of haulage has beenintroduced here. A six foot furnace has been built for the purposeof producing ventilation for the mine. I measured 10,600 cubic feetof air per minute circulating throughout the different parts of themine; it was fair
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Keywords: ., bookcentury1800, bookdecade1890, bookidreportofbure, bookyear1897
