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Contained within the 3rd Edition (1957) of the Atlas of Canada is a map that shows the typical weather situations by means of four surface weather maps: for February 18th, circa 1954; April 19th, circa 1955; July 3rd, circa 1955; and October 12th, circa 1954. All maps are based on data of 1:30 p.m. Eastern Standard Time for the afore-mentioned dates. There are two small inset maps: one shows air masses and the mean position of fronts in winter, the other shows the same concepts for summer.

Public Libraries

The Communications Security Establishment library contains a large number of books covering a wide range of topics. This dataset lists the books in the library catalogue.

Contained within the 3rd Edition (1957) of the Atlas of Canada is a map that shows the profiles of 17 major rivers together with the positions of important cultural and physical features connected with them. These include hydro-electric power developments (circa 1955) and lakes and a reference map showing the locations of the 17 rivers.

Contained within the 3rd Edition (1957) of the Atlas of Canada is a map that shows the location and extent of rural municipalities in Eastern Canada circa late 1950s. County, township and other rural municipalities are indicated. Key tables for numbered municipalities are included.

Contained within the 3rd Edition (1957) of the Atlas of Canada is a map that shows domestic and foreign air routes circa December 1957. The name of the airline is indicated for each route along with whether the route is scheduled or non-scheduled. A mileage table accompanies this map showing the distance from departure centers to major destination points in Canada.

Monthly counts of items checked out and renewed at Nova Scotia Public Libraries.

Contained within the 3rd Edition (1957) of the Atlas of Canada is a map that shows the variety of non-metallic minerals, other than mineral fuels, which were produced in Canada circa 1955. In addition a graph that displays the value and production of minerals whose value exceeded $500 000.

Contained within the 3rd Edition (1957) of the Atlas of Canada is a map that shows the location and extent of rural municipalities in the Great Lakes/Saint Lawrence area circa late 1950s. County, township and other rural municipalities are indicated. Tables for numbered municipalities are included, listed by the province in which it is located.

Contained within the 3rd Edition (1957) of the Atlas of Canada is a plate that shows six maps of cities or towns at different scales. The portions of all, but the first and last of the maps, illustrate the principal national map series produced by the Surveys and Mapping Branch of the Department of Mines and Technical Surveys [now Natural Resources Canada], circa 1958.