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21“...Bulletin (Geological Survey of Canada) ;...”
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25by Whittington, H. B. (Harry Blackmore)“...Bulletin (Geological Survey of Canada) ;...”
Published 1974
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27“...Bulletin (Geological Survey of Canada) ;...”
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28“...Bulletin (Geological Survey of Canada) ;...”
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29
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30by Jeletzky, J. A. (Jurjiz Alexander), 1915-“...Bulletin (Geological Survey of Canada) ;...”
Published 1976
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31by Hume, G. S. (George Sherwood), 1893-“...Bulletin (Geological Survey of Canada) ;...”
Published 1944
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32by Bernknopf, Richard L. (Richard Lewis)“...Bulletin (Geological Survey of Canada) ;...”
Published 2007
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33“...Bulletin (Geological Survey of Canada : 1921) ;...”
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