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2,952 records found
  • Federal

    Frost

    Contained within the 4th Edition (1974) of the Atlas of Canada is a collection of five maps. Two maps show, for fertile regions, the average date of the last frost in spring and the average date of the first frost in autumn. The three remaining maps show the median depth of snow cover at a scale...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • PDF
    • JPG
  • Federal

    Potential Evapotranspiration

    Contained within the 4th Edition (1974) of the Atlas of Canada is a set of three maps relating the effects and dependency of vegetation on environmental variables. One map shows the average annual potential evapotranspiration in inches from ground and plant surfaces for areas where there is a...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • PDF
    • JPG
  • Federal

    Temperature - Summer

    Contained within the 4th Edition (1974) of the Atlas of Canada is a set of six maps showing the average daily minimum temperature and average daily maximum temperature for June, July and August.
    Organization:
    Natural Resources Canada
    Resource Formats:
    • PDF
    • JPG
  • Federal

    Weather Stations

    Contained within the 4th Edition (1974) of the Atlas of Canada is a set of two maps. The first map shows the location of weather stations. Stations are denoted as having 25 to 30 year records within the period 1931 to 1960. As well, whether the station collected temperature data, precipitation...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • PDF
    • JPG
  • Federal

    Ice

    Contained within the 4th Edition (1974) of the Atlas of Canada is a set of six maps that shows different types of ice accumulation.
    Organization:
    Natural Resources Canada
    Resource Formats:
    • PDF
    • JPG
  • Federal

    Oil and Gas Fields, Pipelines and Processing Plants, 1970, Western Canada

    Contained within the 4th Edition (1974) of the Atlas of Canada is a set of two maps and two groups of graphs. The first map shows the location of oil and gas fields, pipelines and processing plants for Western Canada. The capacity and location of oil refineries and gas processing plants are also...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • PDF
    • JPG
  • Federal

    Oil and Gas Fields, Pipelines and Processing Plants, 1970, Eastern Canada

    Contained within the 4th Edition (1974) of the Atlas of Canada is a collection of graphics and two maps. The first map shows the location of oil and gas fields, pipelines and processing plants for Eastern Canada. The capacity and location of oil refineries and gas processing plants are also...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • PDF
    • JPG
  • Federal

    Number of Days with Precipitation

    Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows the average annual number of days with precipitation. The main map is accompanied by a supplementary map at a scale of 1:40 000 000, outlining precipitation regions. As well, climatic graphs for selected stations...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • PDF
    • JPG
  • Federal

    Temperature - Spring

    Contained within the 4th Edition (1974) of the Atlas of Canada is a set of six maps showing the average daily minimum temperature and average daily maximum temperature for March, April and May.
    Organization:
    Natural Resources Canada
    Resource Formats:
    • PDF
    • JPG
  • Federal

    Railways and Canals, 1971 - Eastern Canada

    Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows the locations of railways and canals as of 1971. The railway names and operators are shown and whether or not the railway is operated as a common carrier or a private carrier is denoted. Canals of the St. Lawrence...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • PDF
    • JPG
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