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Recognizing Signs of Excessive Loading in Underground Coal Mines.
MISSING :30 pages
This Bureau of Mines publication describes and illustrates the physical signs of excessive loading on mine roof supports, installations, and openings. It is designed to assist mine personnel in recognizing potentially hazardous ground conditions, by emphasizing the preliminary effects of developing unstable ground. Increased worker awareness can be expected to reduce the injuries and fatalities resulting from falls of roof, rib, and face.
IH; Information Circular;
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division