Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows the locations of selected building and engineering projects for the period 1945 to 1965 and the proportional percentages of the total value of building permits for active centres. The map is accompanied by a supplementary text stating the approximate value of selected engineering projects for the period 1945 to 1965. As well, a set of graphs show the value of new construction for the years 1945 to 1970, the value of new construction by type of structure for the years 1954 to 1970, the value of repair and new construction for the years 1945 to 1965 and trends in the construction industry for the period 1945 to 1965.