• Areal geology, New York - Ontario, Niagara Gorge

      U.S. Geological Survey; Geological Survey of Canada. (U.S. Geological Survey, 1913)
      Historical map showing geological, road, transportation and hydrological features, buildings.Digital reproduction of map (118 x 44 cm.) in the Public Archives of Canada. National Map Collection. Library and Archives Canada.Relief shown by contours and spot heightsGeoreferenced and modified by Map, Data and GIS Library, Brock University.
    • Topographic Map of the Niagara Gorge

      U.S. Geological Survey; Geological Survey of Canada. ([Washington?] : U.S. Geological Survey,, 1913)
      Historic map showing the Niagara Gorge. North is oriented to the top. The Niagara River and Niagara Falls are shown with Canada to the west of the river and the United States to the east. The border line running through the centre of the river is indicated. Major roadways, transportation routes including railways, and hydrological features are shown. Buildings are also shown but not labelled, with the exception of some major buildings such as; schools, city hall’s, libraries, armouries and rail road stations. Relief is shown by contours and spot heights.