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Publisher
- Geological Survey of Canada33
- The Survey21
- Ontario Dept. of Mines9
- Dept. of Mines8
- Interior--Geological Survey7
- U.S. Coast and Geodetic Survey6
- The Service5
- The Survey ; For sale by Map Distribution5
- Canada Department of Mines and Resources, Mines and Geology Branch, Bureau of Geology and Topography4
- Canada Dept. of Mines and Resources, Mines and Geology Branch, Bureau of Geology and Topography4
- Geological Survey4
- Province of Ontario, Dept. of Mines4
- The Bureau4
- Canada Dept. of Mines and Technical Surveys, Geological Survey of Canada3
- Ontario Dept. of Mines and Northern Affairs3
- The Branch3
- Defense Mapping Agency Hydrographic/Topographic Center : [DMA, Combat Support Center, DOA, distributor]2
- Department of Mines2
- Dept. of Mines, Geological Survey Branch2
- Dept. of the Interior2
