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U.S. Department of Energy
Office of Scientific and Technical Information

Rock-dusting in coal mines of the State of Washington

Technical Report ·
OSTI ID:7099857
The need for rock-dusting in the bituminous-coal mines of the State is described; methane is generated and the explosibility factor of the dry coal dust is high. Rock-dusting methods and equipment used in the Roslyn field and at Bellingham are discussed. A rock-dusting machine for use where compressed air is available is shown.
Research Organization:
Bureau of Mines, Washington, DC (USA)
OSTI ID:
7099857
Report Number(s):
BM-RI-3015
Country of Publication:
United States
Language:
English