Improved drilling of coal measure rocks for underground mine void detection and exploration programs /

समान संसाधन

• State-of-the-art techniques for backfilling abandoned mine voids /
  प्रकाशित: (1992)
• Blind pneumatic stowing in voids in abandoned mines /
  द्वारा: Sands, Paul F.
  प्रकाशित: (1990)
• Logistics of underground coal mining /
  द्वारा: Hanslovan, James J.
  प्रकाशित: (1984)
• Geologic investigations of underground coal mining problems /
  द्वारा: McCulloch, C. M. (Charles M.)
  प्रकाशित: (1975)
• Controlled burnout of wasted coal on abandoned coal mine lands /
  द्वारा: Chaiken, Robert F.
  प्रकाशित: (1980)