Collection search - Watershed and profile of the Rideau Lakes, River and Canal, diagrammatically Lakes, River and Canal, diagrammatically showing drainage, and diferences in levels of various reaches at points enumerated. Department of Railways and Canals, Canada. Compiled from Departmental Records, by John Murphy, Electrical Engineer. R.S. Reid Del. Jan. 17th 1911. [cartographic material]

Date modified: