Quebec. Site, plan & sections of proposed observatory to be erected in Mann's bastion behind the hospital in the Citadel. W.R. Ord, Lt. Col., Cg Rl Engr. Canada East, 26 Oct. 1846. Returned revised 9th December 1846. Returned with revised plans to Hd Qrs 3 May 1850. W.R.O. E.W. Wright, Foreman of Works 26 October 1846 [architectural drawing]

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