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5 records found
  • Federal

    Glacier Retreat

    Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows the successive stages in the retreat of the last ice sheet in North America in respect to coverage of the Canadian landmass. Included with the map are the speculative ice-marginal positions with approximate time in...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • PDF
    • JPG
  • Federal

    Influence of glaciers on streamflow

    The map shows the location of glaciers and ice caps and also indicates the rivers and the lakes, which are fed by a glacier (or an ice cap) meltwater. The purpose of this plate is to identify those streams which are fed by glacier meltwaters. Because of the scale of the map, many minor glaciers...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Federal

    Distribution of Freshwater - Glaciers and Icefields

    Glaciers and icefields are huge masses of ice, formed on land by the compaction and re-crystallization of snow, that move very slowly down slopes, or move outward due to their own weight. In Canada, an estimated area of 200 000 square kilometres, or about 2% of the country’s area is covered by...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JP2
    • ZIP
    • other
  • Federal

    Glacial Geology

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a map that shows the locations of glacial materials, circa mid-1950s. The extents of existing glaciers and ice caps are shown. The direction of ice movement is illustrated by denoting the trends of drumlins (elongated or oval hills...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Federal

    Natural Vegetation and Flora

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a map that shows the vegetation regions, and 19 smaller-scale maps showing distributions of particular plant species. The main map shows the distribution of 17 natural vegetation types and also shows non-vegetated areas (existing...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
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