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2 results returnedProbability of encountering coalbed discontinuities during vertical and horizontal borehole drilling
Site-specific and regional geologic considerations for coalbed gas drainage
Published Year
Subject
- Boring (2) *
- Methane (2) *
- Coal mines and mining (1)
- Coal mines and mining--United States--Safety measures (1)
- Coal--Geology--United States (1)
Author
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