Tunnelling in Canada / M.A. Twidale and A. Ignatieff. Rapid development of longwall retreating in the submarine area of the Sydney coalfield of Nova Scotia / L. Frost and H. Zorychta.: M38-8/72E-PDF
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| Department/Agency | Canada. Natural Resources Canada. Canada. Department of Energy, Mines and Resources. Canada. Mines Branch. |
|---|---|
| Title | Tunnelling in Canada / M.A. Twidale and A. Ignatieff. Rapid development of longwall retreating in the submarine area of the Sydney coalfield of Nova Scotia / L. Frost and H. Zorychta. |
| Variant title | Rapid development of longwall retreating in the submarine area of the Sydney coalfield of Nova Scotia |
| Series title | Reprint series ; RS 72 |
| Publication type | Series - View Master Record |
| Language | [English] |
| Other language editions | [French] |
| Format | Electronic |
| Electronic document | |
| Note(s) | Cover title. "Reprinted from the Proceedings of the I.M.E. Symposium on Shaft Sinking and Tunnelling, Olympia, London, July 15-17, 1959." "Reprinted from the International Conference on Rapid Excavation in Coal Mines, INICHAR, Liege (Belgium), 1963. (A French version is issued as Reprint Series RS 73)." Historical publication digitized from print 2017 [by Natural Resources Canada]. Includes bibliographical references. |
| Publishing information | Ottawa : Queen's Printer, 1968. |
| Author / Contributor | Twidale, M. A. |
| Description | p. 3-20, 13 p. : charts, ill., map |
| Catalogue number |
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| Departmental catalogue number | 300151 |
| Subject terms | Mining industry Coal |
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