Rotunda Lake - Percy Lake, Algoma and Sudbury Districts [cartographic material] / geology by B. C. Wilson and assistants, 1979 ; cartography by M. G. Sefton and assistants, 1982.
"Published 1983." Includes location map. NTS Reference: 41 N/8, 41 0/5.
- Ontario Geological Survey
- Held by
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