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Publications by [Zipf R. K.]
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ANALYSIS OF HIGHWALL MINING STABILITY - THE EFFECT OF MULTIPLE SEAMS AND PRIOR AUGER MINING ON DESIGN (2005)
This paper reviews the current state of knowledge and practice in highwall mining. Highwall mining has become a widely applied method in surface mining. It is commonly used alone or in conjunction with contour or slot mining. It provides 800 to 1,200 ft of ...
Highwall mining is an important coal mining method. More than 60 highwall miners are presently in operation, and they may account for about 4% of total U.S. coal production. A review of accident data for 1983-2002 from the Mine Safety and Health Administration ...