Collection search - Citadel, Quebec. Plan and sections shewing the proposed alteration to passage leading from road way to old casemated flank at the junction of the town works with Citadel. To accompany Ordnance Annual estimate 1848-9. W.R. Ord, Lt. Col., Rl Engr. Quebec, 18 Aug. 1847. T.A.L. Murray, Lieut. Royl Engrs 31-7047. [architectural drawing]