Results 311 - 312 of 312

• Methane Emission from U.S. Coal Mines, A Survey
  1/1/1972 - Information Circulars
  This survey was conducted to determine the magnitude of the methane emission and control problem in U.S. bituminous coal mines. The resultant data indicate that the emission rate for any given coalbed depends primarily on the coal production rate and on...
• Communication Systems Research At Bruceton Safety Research Mine
  1/1/1972 - Conference papers
  An environment monitoring and communication system has been installed in the Bruceton Mine, and research is under way to improve mine safety. Standard day-to-day mine communications are available, along with additional systems installed to permit experi...