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| 01899nam 2200349za 4500 |
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| 001 | 9.840583 |
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| 003 | CaOODSP |
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| 005 | 20221107151859 |
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| 007 | cr ||||||||||| |
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| 008 | 170728s1968 oncabd ob f000 0 eng d |
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| 040 | |aCaOODSP|beng |
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| 043 | |an-cn---|an-cn-ns |
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| 086 | 1 |aM38-8/72E-PDF|zM38-8/72 |
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| 245 | 00|aTunnelling in Canada |h[electronic resource] / |cM.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. |
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| 246 | 30|aRapid development of longwall retreating in the submarine area of the Sydney coalfield of Nova Scotia |
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| 260 | |aOttawa : |bQueen's Printer, |c1968. |
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| 300 | |ap. 3-20, 13 p. : |bcharts, ill., map |
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| 490 | 1 |aReprint series ; |vRS 72 |
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| 500 | |aCover title. |
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| 500 | |a"Reprinted from the Proceedings of the I.M.E. Symposium on Shaft Sinking and Tunnelling, Olympia, London, July 15-17, 1959." |
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| 500 | |a"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)." |
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| 500 | |aHistorical publication digitized from print 2017 [by Natural Resources Canada]. |
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| 504 | |aIncludes bibliographical references. |
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| 692 | 07|2gccst|aMining industry |
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| 692 | 07|2gccst|aCoal |
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| 700 | 1 |aTwidale, M. A. |
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| 710 | 1 |aCanada. |bNatural Resources Canada. |
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| 710 | 1 |aCanada. |bDepartment of Energy, Mines and Resources. |
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| 710 | 1 |aCanada. |bMines Branch. |
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| 775 | 08|tExploitation rapide d'une taille rabattante dans le district sous-marin de Sydney en Nouvelle-Écosse |w(CaOODSP)9.840608 |
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| 830 | #0|aReprint series - Dept. of Energy, Mines and Resources, Mines Branch ;|vRS 72|w(CaOODSP)9.834843 |
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| 856 | 40|qPDF|s26.48 MB|uhttps://publications.gc.ca/collections/collection_2017/rncan-nrcan/M38-8/M38-8-72-eng.pdf |
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