Atlas of the Dominion. Counties of Halton, Peel, York, and Ontario. Province of Ontario

Verso side of sheet consists of two maps. Map on left depicts the Ontario counties of Halton, Peel, York, and Ontario. The counties encompass the area South of Simcoe County and North of Lake Ontario. Map on right depicts the Ontario district of Muskoka and the surrounding area. Both maps include municipalities and show railway tracks. The focal areas of both maps are coloured. Uniform title taken from map on left. Alternative title taken from map on right. Numbered "150" at top left and "147" at top right.