• Niagara. 1937

      Canada. Dept of National Defence (1937)
      Scale 1:25,000 "No. 507"--bottom left margin. Relief shown by contours. Digital reproduction of map (63 x 79 cm.) in the Brock University Map, Data & GIS Library collection. Relief shown by contours. Georeferenced and modified from Brock call # G 3464 S35 1937 C35 by Map, Data and GIS Library, Brock University.