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Publisher
- Canada Centre for Mapping and Earth Observation1,245
- Environmental Systems Research Institute (Redlands, Calif.)24
- Geological Survey of Canada (Ottawa)9
- Great Lakes Information Network7
- Department of the Interior (Ottawa, Ont)6
- Department of the Interior (Ottawa)4
- Dept. of the Interior (Ottawa)4
- Topographical Survey of Canada (Ottawa)4
- (Ottawä)3
- Canada. Dept. of the Interior (Ottawa)3
- Dept. of the Interior, Canada (Ottawa)3
- Rand McNally (Chicago)3
- The Department (Ottawa)3
- (Paris)2
- Department of the Interior, Canada (Ottawa)2
- Department of the Interior, Canada (Ottawa, Ont)2
- Geological Survey of Canada (Toronto)2
- Imprimerie de la République (Paris)2
- Matthews' Lith.2
- Natural Resources Intelligence Service (Ottawä)2