1954. 2012-10-08T14:04:01Z. 2013-03-18T20:32:52Z. Wilson, A. E. Canada Dept. of Mines and Technical Surveys, Geological Survey of Canada. English. Public. Ontario, Ottawa Region, Québec (Province), and Hull Region.
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1946. 2012-07-03T14:42:01Z. 2012-07-11T15:21:02Z. Geological Survey of Canada. Canada Dept. of Mines and Resources, Mines and Geology Branch, Bureau of Geology and Topography. English. Public. Ontario, Ottawa Region, and Cornwall Region.