Recherche dans la collection - Plan of the river St Lawrence between lakes St Louis and St Francis shewing the relative situation of the different lines proposed for improving the navigation between those lakes; as surveyed in 1834-5, by order of the right Honble Edward Ellice, Segnior of Beauharnois; for the information of the Provincial Government. Drawn 28th February 1835 by Alexander Stevenson, Sworn Surveyor. Copied for Lieut. Col. Phillpotts, R.E., by Samuel Keefer, C.Engr. [cartographic material]