1898 - Coalmininghistorypa.org

280 REPORT OF THE BUREAU OF MINES. Off. Doc.a I our previous visit, October 18, 1898, is now removed, uud we considerit safe to resume and continue operations as long as presentconditions are maintained, but should the mine hereafter be foundto be in a dangerous condition you will at once notify the Inspectorof the district of the fact and take all necessary precautions to insurethe safety of your employes.(Signed.)Yours very truly,HENKY LOUTTIT,CHAS. CONNOR,JAMES BLICK,BERNARD CALLAGHAN,Active operations were commenced at the mine the day followingthe date of letter which the above is a copy. Subsequently I examinedthat part of the mine where the danger previously existed andwas of the opinion that as long as the pre{;ent conditions were maintained,there need not be any reason for other action to be taken.Champion. Not in operation on my last visit.Coal Bluff. Drainage fair. Ventilation required improvement inparts of the mine. In operation 1'2'2 days during the year. Numberof persons employed in and about the mine, 182.Clipper. A'entilation fair; drainage, however, reijuired improvementin the new })art of the min(^; this cannot be perfected, but itcan be made better than it is at present.Albiiny. General condition of mine, fair. Air measurementstiiken, inlet, outlet, entries 5, 7, 13, 9 and 15. Number of personsemployed inside, 159.Alice. This is a new drift opening lo'-ated on the east side ofthe river nearly opposite the borough of Stockdale. It is owned andoperated by the Tide Coal Com])any, of Pittsburg, Pa. The interiorof the mine is not sntticiently advanced for a general description,so I will Icaxe this jiart for a future report. The outside improvements—actualand prospective—consist of a 25-foot Guibalventilating fan, running at pi'osent, diiven by an engine of 100 horsepower. The haulage plant is of the endless rope system, with tractionwheels seven feet in diameter, of five grooves each. The ropeis of steel one and one-eighth inchesi in diameter, driven by a pairof engines capable of dfneloping 200 horse power. The engine andboiler house is of steel set on brick piers, covered with corrugatediron and roofed with slate; size, 30x80 feet. The crusher is of thetwo-process variety with rollers four foet in diameter and four feetlong, with inserted tool steel teeth, each roller containing 824 teethdriven through steel gearing by an engine of 100 horse ]>owor. Theelectric plant is under the same roof as the haulage ])lant; the generatoris of 250 volts, and is driven by a 15]xlG inch engine. Th«^