Design and development of drill equipment
| Main Author: | Hadden, J. D. |
|---|---|
| Other Authors: | Cervik, Joseph., United States. Bureau of Mines., United States. Bureau of Mines. Methane Control Program. |
| Format: | Book |
| Language: | English |
| Published: |
[Washington] :
U.S. Dept. of the Interior,
1969.
|
| Physical Description: |
11 pages : illustrations ; 27 cm. |
| Series: |
Bureau of Mines technical progress report ;
TRP 11. |
| Subjects: |
| Item Description: |
Prepared for Bureau of Mines Methane Control Program. |
|---|---|
| Physical Description: |
11 pages : illustrations ; 27 cm. |