Johnston Channel, ON. 1:25,000. Map sheet 040J07H, [ed. 2], 1975
This is a digitized image of a printed paper map of the Johnston Channel, Ontario region (Sheet No. 040J07H), published in 1975. It is the second edition in a series of maps, which show both natural and man-made features such as relief, spot heights, administrative boundaries, roads, railways, trails, waterways, buildings, terrain, and land formations. The photograph for this map was originally taken in 1971. These various surveys were under the Surveys and Mapping Branch of the Department of Energy, Mines and Resources, Government of Canada. Original maps were digitally scanned and georeferenced as part of the Ontario Council of University Libraries (OCUL) Historical Topographic Map Digitization Project.