1946. 2012-07-09T19:26:42Z. 2022-12-06T16:58:03Z. Collins, W. H. (William Henry), 1878-1937. Bureau of Geology and Topography. English. Public. Ontario and Falconbridge Region.
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1974. 2013-12-06T15:13:35Z. 2022-12-06T16:58:21Z. Livingstone, K. W. Geological Survey of Canada. English. Public. Ontario and Arnprior Region.
1950. 2012-07-25T14:12:39Z. 2012-07-25T14:43:24Z. Deane, R.E. Canada Dept. of Mines and Technical Surveys, Geological Survey of Canada. English. Public. Ontario and Lake Simcoe Region. Pleistocene and Holocene.
1959. 2012-09-27T15:54:59Z. 2013-03-18T22:20:15Z. Gravenor, C. P. Geological Survey of Canada. English. Public. Ontario, Port Hope Region, Oshawa Region, Whitby Region, Peterborough Region, and Lindsay Region.
1994. 2002-06-01T04:00:00Z. 2016-07-26T21:18:50Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. cartographic image. Public. Ontario, Michigan, and Nipigon, Lake, Region (Ont.). Quaternary.
1995. 2002-06-01T04:00:00Z. 2016-07-26T21:18:50Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. cartographic image. Public. Minnesota, Ontario, Manitoba, États-Unis, Canada, Ontario (Canada), Manitoba., Minnesota., and Ontario. Quaternary and From 2 million years ago.
1993. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Northeastern States, Québec (Province), and Ontario. Quaternary.
1993. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Ontario, Québec (Province), and Michigan. Quaternary.
1924. 2018-06-19T19:09:52Z. 2018-09-05T20:08:13Z. Tanton, T. L. Geological Survey. English. cartographic image. Public. Ontario and Thunder Cape Region.
1961. 2012-06-07T18:01:16Z. 2012-06-13T15:05:18Z. Caley, J. F. Dept. of Mines and Resources, Mines and Geology Branch, Bureau of Geology and Topography. English. Public. Ontario, Toronto Region, and Hamilton Region. Paleozoic.
