Collection search - Rideau Canal. Plan showing in green coloring land required for service of the canal at Brewers Lower Mills Lock Station...(Signed) John A. Snow, Provincial Land Surveyor, Bytown, 7th May, 1850. Royal Engineer Office, Bytown, 28th Feby., 1851. (Signed) Charles E. Ford, Capt. R. Engineers. Copied by (Signed) George F. Dawson, Lieut. R.E., April 29th, 1851. Examd. (signed) C.W., 11/6/52. (Signed) F.W. Whingates, Lt. Col. Comd. R. Engineers,. 17th Sept./52. (Signed) F.W. King, Lieut. R.E., 28th Feby., 1857. [cartographic material]