• Plan of lands required for the Welland Canal on Lots 5 & 6, Cons. 10 and Lots 7 & 6 Cons. 9 in the Township of Grantham.

      Thomas Monro (1873)
      Historical map showing lot and concession numbers, land owner names, canal lands. Map date: 1873 Digital reproduction of map in the Public Archives of Canada. National Map Collection. Library & Archives Canada. Georeferenced and modified from e011168600 by Map, Data and GIS Library, Brock University.
    • Topographical map of the country lying between Thorold and Port Dalhousie shewing located line of enlarged Welland Canal

      Thomas Monro
      Historical map showing lines of the Second and Third Welland Canal from Thorold to Port Dalhousie harbour, line of escarpment, main roads, railways, creek ravines, lot and concession numbers, landowners names, townships. Map date: 1873. Digital reproduction of map LAC e011168609 in the Public Archives of Canada. Relief shown by shading Georeferenced and modified by Map, Data and GIS Library, Brock University.
    • Welland Canal Enlargement Plan shewing proposed deviation of Welland Railway in ravine behind Thorold Village

      Thomas Monro; John Page (1874)
      Historical map showing streets, buildings in the Village of Thorold, the Welland Railway and the Welland Canal. "Thorold, 15th June 1874. Thomas Monro. John Page., C.E. P. Works." Scale 1 in to 100 ft. Digital reproduction of map in the Public Archives of Canada. National Map Collection. Library & Archives Canada. Relief shown by hachures. Georeferenced and modified from LAC e011168614 by Map, Data and GIS Library, Brock University.
    • Welland Canal enlargement, new line Thorold to Port Dalhousie : plan of lands between the town of St. Catharines and Port Dalhousie.

      Thomas Monro; John Page (1873)
      Historical map showing land ownership in area of proposed route for the Third Welland Canal. Gives names of landowner, lot numbers, small section of street plan of St. Catharines in Rolls Ave. and old Lake Road area. A chart indicates land required for canal purposes giving owner's name, lot and concession and approximate acreage. Relief shown by hachures. Scale 3 chains per inch. "Signed: Thomas Monro and John Page. Thorold, Aug. 1, 1873." Map Date: 1873. Library Archives Canada attributes this map to George Monro Gibson, though his signature is not on this version. Digital reproduction of map in the Public Archives of Canada. National Map Collection. Library & Archives Canada. Georeferenced and modified from LAC e011168611 by Map, Data and GIS Library, Brock University.
    • Welland Canal Enlargement. Plan of Port Dalhousie Harbour, Section No. 1. New Line, Thorold to Port Dalhousie

      Thomas Monro (1875)
      Historical map of the Second Welland Canal showing elevation and soundings and bore hole measurements, buildings and canal features. Includes cross sections. Scale 1 inch to 80 feet. Relief shown by hachures and shading. Map date: 1875. Digital reproduction of map (46 x 95 cm.) in the Public Archives of Canada. National Map Collection. Library & Archives Canada. Georeferenced and modified from LAC e011168615 by Map, Data and GIS Library, Brock University.