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Map, GEOLOGICAL MAP OF CANADA, by William Logan, 1864
William Logan’s “Geological Map of Canada,” 1864
Source: Geological Survey of Canada. Report of progress from its commencement to 1863 : atlas of maps and sections, with an introd. and appendix
Montreal : Dawson Bros., 1865. -- 42 p., 13 leaves of plates : ill., maps (9 folded, some col.)
© Public Domain