Natural Resources Canada

The commercial activity index is a summary measure of the attraction of urban places as locations for commercial activity. The index compares the actual commercial employment to the employment predicted on the basis of population. Thus it captures both the variation in income per capita (the...

The map shows the two most important characteristics of markets: their size (measured by population) and the level of income - hence the ability to buy various kinds of services. The market is the amount of money available to purchase goods and services. The corporations that provide services...

While the size of the market determines the amount of service activity within a city, it may have more service activity than indicated by the size of the market, and this surplus of facilities is called "centrality". A high index value of centrality implies that the city is serving an extensive...

There are approximately 100 000 kilometres of transmission pipelines in Canada, 80 000 are natural gas pipelines and 23 000 crude oil pipelines. The map shows three types of pipelines: transmission trunk lines, gathering system field lines and distribution lines. Gathering pipelines move crude...

Contained within the 4th Edition (1974) of the Atlas of Canada is a set of three maps. The main map shows boundaries of economic regions, census divisions and census metropolitan areas as well as locations of urban centres with national employment offices as of 1961. The designation and labour...