Comparison of rotary and in-hole motor techniques for drilling horizontal boreholes in coal /
| Main Author: | |
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| Corporate Author: | |
| Other Authors: | , |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Pgh. [i.e. Pittsburgh], Pa. :
U.S. Dept. of the Interior, Bureau of Mines,
1985.
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| Series: | Report of investigations (United States. Bureau of Mines) ;
8933. |
| Subjects: |
| Item Description: | Distributed to depository libraries in microfiche. |
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| Physical Description: | ii, 31 pages : illustrations ; 28 cm. |
| Bibliography: | Bibliography: page 19. |