Annual Report of the Secretary of Internal Affairs of the ..., volume 14
Annual Report of the Secretary of Internal Affairs of the ..., volume 14
Pennsylvania. Bureau of Industrial Statistics, Pennsylvania. Dept. of Internal Affairs
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Ventilation by a fan 12 feet in diameter. Air measurement showed a volume of 33,810 cubic feet per minute, well distributed throughout the mine. Drainage good. I have visited this mine four times during the year. Two hundred and ninety-nine (299) persons em- ployed. Mining boss, John Bolan. Shaft No. 2, Located south of Irwin, is a very extensive mine, having three open- ings — two shafts and a slope. It also is worked on the double-header system, above referred to, and employs over three hundr...ed men, with twenty-five mules. Ventilation, by a fan 1 8 feet in diameter, and air measurement showed a volume ef 47,200 cubic feet per minute, with a water guage of one inch, the air being well distributed. Drainage good. I visited the mine four times during the year. Mining boss, Michael Cauley. No. 4 Mine Is a drift opening, on the Youghiogheny railroad, at its intersection with the Baltimore and Ohio. It has four openings, and is worked on the double-header system. Ventilation by large furnace.
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