Title: A review by Charles H. Keefer, M.A.S.C.E., on the construction of the hydraulic locks at Peterborough and Kirkfield
Subjects: Locks (Hydraulic engineering), Écluses
Places: Ontario, Trent-Severn Waterway (Ont.), Voie navigable Trent-Severn (Ont.), Trent-Severn Waterway