Report of the Bureau of Mines of the Department of Internal Affairs of Pennsylvania . 2. A tunnel has been driven from the second west level gangway,Mammoth seam, to the Buck Mountain seam; distance, 250 , a tunnel from the fourth vest level gangway. Mammoth seam,to the Buck Mountain seam; distance, 284 feet. The Buck Mountainseam is about eight feet thick. Packer No. 3. The seven-foot slope has been sunk about 200 feet to the ninthlevel, and the Buck Mountain slope has been sunk 300 feet to theninth level. An air shaft was sunk 42 feet from surface to Mammothseam to ventilate the wes
Report of the Bureau of Mines of the Department of Internal Affairs of Pennsylvania . 2. A tunnel has been driven from the second west level gangway,Mammoth seam, to the Buck Mountain seam; distance, 250 , a tunnel from the fourth vest level gangway. Mammoth seam,to the Buck Mountain seam; distance, 284 feet. The Buck Mountainseam is about eight feet thick. Packer No. 3. The seven-foot slope has been sunk about 200 feet to the ninthlevel, and the Buck Mountain slope has been sunk 300 feet to theninth level. An air shaft was sunk 42 feet from surface to Mammothseam to ventilate the west counters, and 1,100 feet of speaking tubeput in place. A split of air has been taken from the fourth levelMammoth seam, through the tunnel, and down the Buck Mountainslope, which has nearly doubled the volume of air. Packer No. 4. This colliery was not in operation during the year. The oldbreaker was taken down and a large breaker is now nearing com-pletion, the capacity of wrhich will be 3,000 tons daily. A newtubular boiler plant has been erected, having 2,500 horse power. A.
Size: 1439px × 1737px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookidreportofbure, bookyear1897
