- British Columbia, Department of Lands and Works
- Digital Commonwealth
- Boston Public Library
- Dept. of Lands and Works
Relief shown by hachures and spot heights. Performed under instructions from the Honourable F.G. Vernon, Chief Commissioner of Land Works ; by A.L. Poudrier, D.L.S. and N.B. Gauvreau, P.L.S., season of 1891.
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