Grenko Coal Company, 1930, Overview
Location of mine N.W. 1/2 Sec. 30, Township 15 North, Range 18 West N. M. P. M. Mine is opened by a slope. Rooms are driven on 35 feet centers, about 25 feet wide, 240 feet long. Mine is ventilated by a fan, driven by a gasoline motor. The coal is cut by a Goodman mining machine.
Ten miners and 1 man employed in the mine and 3 men and 1 boy on top. 6,980 tons of coal were mined. 6,000 tons were cut by machine. 240 tons of slack used in operating the mine and 6,740 tons of coal sold in Texas, New Mexico and Arizona. Approximate value of coal sold $27,700.00. 4,000 pounds of black powder used. This is an open light mine and the miners light their own shots. The coal is hauled from the mine to the railroad in trucks.
John Grenko, General Manager, box 35, Gallup, New Mexico
1. "GRENKO COAL COMPANY, GRENKO MINE", Nineteenth Annual Report of the State Inspector of Coal Mines to the Governor of New Mexico, New Mexico, 1930, Page 44.
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