Collection search - Plan showing limits of properties of Beauharnois Light, Heat & Power and Beauharnois Land Cos. in relation to canal and embankment construction. Made by J. [illegible]. Traced by D. Collins. Checked by S. S. Collé. Frederick B. Brown, M. Sc., Consulting Engineer, Montreal. September 1, 1932. [15 revisions:] Oct. 18, 1932 - Dec. 31, 1934. Plan no. B-23-17. [cartographic material]