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Directional drilling for coalbed degasification :program goals and progress in 1978

Published Year

• 1970-1979 (1)

Subject

• Methane (1) *
• Mine gases (1)
• Mine ventilation (1)

Author

• Diamond, W. P. (1)
• Jeran, P. W., (1) *
• Oyler, David C. (1)

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