Probability of encountering coalbed discontinuities during vertical and horizontal borehole drilling /
Saved in:
| Main Author: | |
|---|---|
| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Pgh. [i.e. Pittsburgh], Pa. :
U.S. Dept. of the Interior, Bureau of Mines,
1982.
|
| Series: | Report of investigations (United States. Bureau of Mines)
8665. |
| Subjects: |