EarthWorks Geospatial Catalog

Geological highway map, northern Ontario [cartographic material] = Carte geologique et routière, nord de l'Ontario / geology compiled from published maps of the Ontario Geological Survey and the Geological Survey of Canada ; cartography and design by J.D. Holweg.

Texts in English and French. Includes text in English and French and location map. Panel title.
Ministry of Northern Development and Mines, Ontario
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