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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Publication information
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
  • M38-8/72E-PDF
Departmental catalogue number 300151
Subject terms Mining industry
Coal
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