Tunnelling in Canada = Rapid development of longwall retreating in the submarine area of the Sidney Coalfield of Nova Scotia.
| Corporate Authors: | Canada. Dept. of Energy, Mines and Resources. Mines Branch. |
|---|---|
| Other Authors: | Ignatieff, A., Twidale, M. A., Frost, L., Zorychta, H. |
| Published: |
Ottawa :
Department of Energy, Mines and Resources (Mines Branch),
1968.
|
| Series: |
Reprint series ;
RS 72 |
| Subjects: |
Halifax - Books
| Call Number | Copy | |
|---|---|---|
| 622.26 T834 | 1 |