1954. 2012-10-09T14:39:07Z. 2013-03-18T22:22:33Z. Geological Survey of Canada. Geological Survey of Canada. English. Public. Northwest Territories, Aylmer Lake Region, and Mackenzie.
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1958. 2015-02-17T19:03:48Z. 2015-03-03T23:05:59Z. Neale, E. R. W. Geological Survey of Canada. English. Public. Newfoundland and Labrador and Baie Verte Region.
1984. 2014-01-09T19:19:03Z. 2014-01-23T00:08:25Z. Dawson, K. R. Geological Survey of Canada. English. Public. Canada. and Canada.
1946. 2012-07-05T20:22:25Z. 2016-08-19T21:10:13Z. Geological Survey of Canada. Department of Mines and Resources, Mines and Geology Branch, Bureau of Geology and Topography, Geological Survey. English. Public. Nova Scotia, Bass River Region, Colchester (County), and Hants County.
1951. 2012-11-13T14:17:59Z. 2012-11-13T14:17:59Z. Geological Survey of Canada. Geological Survey of Canada. English. Public. Manitoba and Batty Lake Region.
2005. 2006-10-11T15:44:14Z. 2011-03-03T23:36:20Z. United States. Bureau of Land Management. U.S. Dept. of the Interior, Bureau of Land Management ; For sale by the BLM California State Office ; U.S. Geological Survey. English. Public. California.
1974. 2018-04-24T19:51:14Z. 2018-04-24T19:51:14Z. Ontario. Geological Branch. Ontario Div. of Mines. English. cartographic image. Public. Ontario and Kenora (District).
1984. 2018-04-25T19:11:38Z. 2018-05-03T17:47:17Z. Hibbard, J. Mineral Development Division. English. cartographic image. Public. Newfoundland and Labrador and Eddies Cove Region.
1984. 2018-04-25T19:01:11Z. 2018-04-25T20:07:14Z. Geological Survey Branch, Newfondland Dept. of Mines and Energy. English. cartographic image. Public. Bonavista (N.L.), Newfoundland and Labrador, and Bonavista.
1973. 2016-06-07T14:36:26Z. 2016-06-07T14:36:26Z. Glaser, John D. State of Md., Dept. of Natural Resources, Md. Geological Survey, Williams & Heintz Map Corp.). English. cartographic image. Public. Maryland and Bowie Region.