1898 - Coalmininghistorypa.org

370 REPORT OF THE BUREAU OF MINES. Off. Doc.Eleaiifna No. 4.— Is now coiitiucd to pillar work, and was fonndin ^(K)d condition.Eloanora Nos. 2 and .S.—At No. 2 o]»onin}i' tlie rojx^ lianiaji'o wasextended 1.200 feet, niakinj;' the total length of rope 12,r)0() feet. Theovercasts and stoppings in this mine are bnilt of stone. The piiin])-ing station is near the bottom of the slo])i' where they have placedtwo new pumps. At Xo. llu^v also use •"> tail rope system of haulage.The A'entilation was found in fair condition. Alexander IM-ide ismine foreman, and his assistant is .James ^loran.I>each Tree Xo. :> Mine.— Is exhausted.r>each Ti(H' No. 2 Mine.— >Vas in faii-ly good conditi«»n as tovenlilalion.London Mine—At this mine ( wo supjdemeutary tail r(i])e haulageshave been i»laced, one pair of Kobiuson Machine Company's engines7x10, and another pair of the same manufacture 10x12. The enginesare used to work the branch ropes and haul the coal from the face ofthe workings to the main haulage rope, and thereby reduce thenumber of miles to the lowest pctssible Hunt. The ventilation isfair.Klondike ^line.—Has 1 ecu o|icimm1 and is now pioducing 200 tonsof coal daily. A small comiucssor has been set up, and the comjiressedair is used to run a fan. one i>umi) and two mining machines.Cleartield County.Rochester Mine.— \\'as in faiily good condition as to ventilation.At the foot of the drainage shaft they put in a comi)oundJeansvilh Duplex ]uimp 14x2.')x20x;5(;. This i>umit has a capacityof 5,000 gallons ]»er minute. Tliei-e are now four i»um]»s at workin this shaft Avitli a combiufd capacity of lo.OOO gallons perminute. To conduct tho steam fi(!m the boilers on the surface tothe iiunips at the b(»Hoin of shafts two twelve inch holes wci-c drilledand lined with ten inch pipe, ami between the i»ipe and side rcnk a(•(Muent ];acking was used. One six inch steam jtipe is placed insideof each of the ten inch pi]ies foi' exhaust steam.Three (d" the ])umits are connected with each of the ten inch pijtesbelow, so that as tlie exhaust s'eam escajies to the surface, it jtasseson the outside of the six inch stean. jupes, keeping them h(»l andand thereby saving steam, labor and fuel.Sandy Lick .Mine.— Was in fairly good con(liti«»n both as toventilation and drainage. One Ingersoll-Serge;:nt straight line aircomi>i-essoi- 2lx2(51x:50 has been placed at this mine. The lope haulage has also been extended 2.000 feet.W'illianisiiort Mines.—The xciit ilat ion h:is been fonnd (piile good.During the year one ele