Fonds consists of tracings and original drawings of property surveys and plot plans for the town of Windsor NS and nearby communities showing gypsum quarries, rail lines and landowners’ plots (1853-1938 and undated); original topographical survey drawings of the Avon and St. Croix Rivers showing low and high tide marks for Windsor-Hantsport-Summerville area (1940-1944); and blueprints and copies on linen of technical plans for barge ships including the DANIEL M. MUNRO, and the MUMFORD, as well as technical plans for a ship’s marine engine from Johnson Iron Co. Ltd. of Yarmouth (1919-1942). Companies represented include Wentworth Gypsum Co., Newport Plaster Mining and Manufacturing Co., the Canadian Gypsum Co., and its parent the United States Gypsum Co.
Fonds also includes a 1922 map of the world showing trade routes between Canadian and Foreign ports published by the Canadian Department of the Interior (1922); black & white photographic copies of geology maps of Avondale, Hantsport, Miller Creek, St. Croix, Upper Falmouth, and Windsor (1948); and undated topographical maps of Windsor area quarries.
The material documents the mining management activities of Canadian Gypsum Company and its parent United States Gypsum Co. as they created topographical survey plans of their quarries and other assets for mining gypsum rock; studied water levels and ships’ drafts to calculate their loading capacities; and built or retrofitted ships to transport the rock to the United States and elsewhere.
Canadian Gypsum Company (Windsor, NS)