Recherche dans la collection - Plan shewing arrangements of asphalt at no. 2 fort. Single caponier. V.G. Clayton, Capt. R.E. 2-9-67. H. Robinson, Lieut. R.E., 2nd Septr 1867. Traced by D. McKenzie, Sapper R.E. 30-8-67. [architectural drawing]

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