A series of topographical maps of Hastings County and the surrounding area, published by the Army Survey Establishment - National Department of Defence from the 1930s - 1950s.
Five reports and six accompanying plans prepared by Gore & Storrie, consulting engineers of Toronto, relating to improvements to the water and sewerage system in and around the City of Belleville.
15 maps of the northern townships in Hastings County, featuring lakes, rivers, lots and concessions. Some of the maps are dated with surveyors' names. Scale 40 chains to an inch.
5 aerial photographs of Thurlow, Tyendinaga and Thurlow Townships, in Hastings County, Ontario. Photographed on September 10, 1973 and annotations made July 27, 1976. Scale 1 inch = 200 feet. For the Ontario Hydro Route and site Selection Division, Orthophoto R/W Selection Plan Lennox G. S. - Oshawa Area T. S. Aerial View. By J. E. Clements- photogrammetric production officer; D. Crozier- chief draftsman; J. Sedgwal- project engineer; C. E. Bishop- Sr R/W planning engineer.
4 aerial photographs of Belleville and Napanee, circa 1970. Maps include Trans-Northern Pipeline and Trans Canada Pipeline and the Hydro Lines. Scale: 1:2,000.
7 maps produced for the Hydro-Electric Power Commission of Ontario from the 1930s to 1960s. The maps contain information regarding hydro power lines and railways.
4 maps produced for the Trenton Electric & Water Co. Limited and Seymour Power & Electric Co. Limited in the 1910s. The maps contain information regarding water towers, lines and stations.
