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Some Innovations in Equipment For Scaling High Roofs and Mine Walls
Report issued by the U.S. Bureau of Mines describing the methods and equipment developed at the oil-shale mine near Rifle, Colorado. This report includes photographs and illustrations documenting this equipment.
Date:
October 1950
Creator:
Brown, Brinton C.; Wright, Fred D. & Ballinger, Homer J.
System:
The UNT Digital Library