Collection search - Plan of property situated in the Seigniory of Soulanges Coteau-du-Lac district of Montreal belonging to the principal officers of Her Majesty's Ordnance. [architectural drawing] To annex to the proces verbal of survey thereof dated in Montreal the 31st December 1850. Signed John Ostell Provincial Surveyor. Copy A. R. Clarke...Jan 6. 1854 No. 208.5.