Recherche dans la collection - Principal power facilities and municipal systems served. Ontario Hydro. January 1, 1974. [cartographic material]

Thunder Bay; 21.9 x 21.7; 1:253,440. Sudbury; 17.8 x 21.7; 1:253,440. Windsor: 19.9 x 15.4; 1:253,440. Timmins; 21.9 x 21.7; 1:253,440. Ottawa; 17.8 x 21.2; 1:253,440. London; 19.9 x 14.3; 1:253,440. Kitchner-Waterloo; 14.3 x 19.9; 1:253,440. Kirkland Lake; 15.1 x 30.2 (irreg.); 1:253,440. Toronto, Hamilton and Niagara; 45.0 x 32.3; 1:253,440.
This map locates the municipalities served by Ontario Hydro, the generating systems, transmission lines and other Ontario Hydro stations. The legend clearly indicates (by symbols) the dependable capacity of each station. The regional and county boundaries, provincial highways and railways are also indicated.

Scale 1:1,013,760