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Publisher
- Ontario Geological Survey,57
- Ontario Geological Survey, Mines and Minerals Division,17
- Geological Survey of Canada,15
- Ontario Dept. of Mines,12
- Department of Mines,8
- Ontario Department of Mines,6
- Dept. of Mines,5
- Bureau of Geology and Topography,3
- Ontario Dept. of Mines and Northern Affairs,3
- Ontario Division of Mines,3
- Bureau of Mines,2
- Canada Dept. of Mines and Resources, Mines and Geology Branch, Bureau of Geology and Topography,2
- Ontario, Ministry of Northern Development and Mines,2
- Province of Ontario, Dept. of Mines,2
- Canada, Dept. of Mines, Geological Survey,1
- Department of Mines ,1
- Geological Survey of Canada, Dept. of Mines and Technical Surveys,1
- Mines and Geology Branch, Bureau of Geology and Topography,1
- Mines and Minerals Division, Ontario Geological Survey,1
- Ministry of Northern Development and Mines,1