A map of the Humber Valley Watershed published in 1953 according to Ontario's Conservation Authorities Act of 1948. Map shows rivers, tributaries, and lakes from Swansea (southwest of Toronto), northwest into Dufferin county and northeast into Whitchurch township within York county. Cities, towns, highways, and rail lines are named. County and township boundaries are outlined.
Map showing proposed Canadian National Railway (CNR) routes and access lines in the Toronto area as of 1959. Yard and access routes are marked in red. CNR routes are named, as are highways, cities, and townships. Municipal and township boundaries are outlined.