The region of southern Ontario where many of the activities of
RCAF Station Guelph and No. 4 Wireless School took place. Guelph is located in the upper left corner in the tan area. Burtch, is south of Brantford, and St. Catharines is near the right of the frame on the south shore of Lake Ontario. No. 1 Bombing and Gunnery School, Jarvis, is on the north shore of Lake Erie.
Canada Department of Mines and Resources, Surveys and Engineering Branch,Hydrographic and Map Service, 1943
Anonymous private collector. Uploaded with permission.