1890. 2018-06-19T19:18:13Z. 2018-09-05T20:08:08Z. Geological Survey of Canada. Geological Survey. English. cartographic image. Public. Ontario, Rainy River (District), and Rainy River (Ont. : District).
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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.