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- Geological Survey of Canada26
- Geological Survey (U.S.)17
- Ontario. Department of Mines9
- Richard, S. H.8
- U.S. Coast and Geodetic Survey, issuing body6
- United States. National Ocean Service6
- Ontario. Geological Branch5
- Canada. Natural Resources Intelligence Branch3
- Canadian Hydrographic Service3
- National Geographic Society (U.S.). Cartographic Division3
- Ontario. Department of Mines, issuing body3
- WIlson, A. E.3
- Barlow, Alfred E. (Alfred Ernest)2
- Barlow, Alfred E. (Alfred Ernest), 1861-19142
- Canada. Army Survey Establishment2
- Donaldson, J. A. (John Allan), 1933-2
- Gravenor, C. P.2
- Ontario. Department of Mines and Northern Affairs2
- Ontario. Division of Mines2
- Prest, Victor Kent2
