Recherche dans la collection - Plan showing the Contours of the Ground within the Military Radius round Proposed Redoubts No. 3, 4 & 5, Kingston required by the Inspt. Genl's letter of 22nd Feb. 1841 - No. 1779. J. Oldfield, Lt. Col., Com'g Royal Engineers in Canada, 26 June 1841. [cartographic material]

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