1898 - Coalmininghistorypa.org

No. 11. EIGHTH ANTHRACITE DISTRICT. 229Is'uinbt'i- of cbildreii left fatherless, 94Nuinber of persons employed, 12,965Total iiuinber of days worked, 0,011 .1K limber of kegs of powder used, 03,099Number of pouuds of dynamite used, 519,460. 245In umber of horses and mules, 1,294Number of steam boilers, 596Number of pumps, all classes,t'a parity in gallons per minute, 86,493Number of steam engines, all classes, 337Total horse power, 30,493Number of air compressors, 12Tons of coal produced per fatal accident, 112,396Tons of coal produced per each employe,320fImprovements Made at Collieries during 1898.L^'tleColliery.The new shaft which was started in 1897 had reached a depth of1,030 feet on December 31, 1898, having cut through several seamsof coal. The Diamond vein was cut at one thousand feet below thesurface', and is six feet thick having a south dip of 02 degrees. Aninside slope has been sunk on the Four-foot vein 321 feet below theFourth lift, and a tunnel started at That depth to be driven to thePrimrose vein. A new plane was made on the Billy vein 700 feetlong above the Fourth lift.Oak Hill Colliery.The south tunnel at the bottom of the shaft, of Fifth lift, has beencontinued from the AMiite Ash vein to the I'rimrose vein, cutting theHolmes vein 18(! fei^t from the White Ash, and the Primrose vein124 feet from the Ilolnu's. The Primrose vein is in good condition,12 feet thick, dipping 41 degrees south.St.Clair Colliery.The new slope which they started to sink in 1897 has reached adepth of 1,500 feet from the surface, and is evidently near the l>asin.Gangways are being turned at that point.Pine Hill Colliery.The slo])e was sunk 275 feet below the water level on the BuckMountain vein, which is in fair condition, and gangways are being