Natural Resources Canada

Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows the area of fresh water. It is split into squares that have the percentage of total fresh water. Each square covers an area of 10,000 square kilometers. According to the map, fresh water bodies occupy 7.9% of the...

Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows the lakes, rivers and glaciers as well as the major drainage areas. Provincial and territorial boundaries are shown, but otherwise there are no other names or symbols shown on the Canadian land surface.

Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows the area covered by permafrost across Canada. Permafrost is a term used to describe the thermal condition of earth materials, such as soil and rock, when their temperature remains below 0 degrees Celsius...

Contained within the 4th Edition (1974) of the Atlas of Canada is a set of six maps that shows different types of ice accumulation.

Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows drainage basins as well as major lakes and diversions. The map displays the ocean drainage areas along with component river basins and diversion areas for the Arctic, Pacific, Hudson Bay and Atlantic drainage areas.

Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows the amount of seasonal runoff. The map shows periods of maximum and minimum streamflow. The coloured discs indicate the month of maximum streamflow at gauging stations and dots within these discs indicate the...

Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows average annual runoff patterns. There is a second map, accompanied by bar graphs for selected gauging stations of representive rivers, which expresses the volume of flow by months as percentages of the annual...

Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows average annual streamflow in cubic feet per second. There is an attached supplementary map which displays the reliability of the river discharge data which the above mentioned map is based on.

Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows the location of river profiles. There are drainage profiles, major river systems and major tributary included in this map.

Contained within the 4th Edition (1974) of the Atlas of Canada is a map showing geological age and lithology accompanied by a supplementary map at a scale of 1:50 500 000, displaying geological provinces.

Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows the geological provinces and some of their principal sub-divisions. There are orogenic elements as well as major fault lines which are also displayed. A geological province is an extensive region with distinctive...

Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows geologic structural features and denotes tectonic elements by a color-coding system. There are also descriptive elements and features of tectonic elements which are displayed.

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...

Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows locations of currently existing glaciers as well as historical glacial information. The resulting effects that glaciers have had on landscape are also shown on this map.

Contained within the 4th Edition (1974) of the Atlas of Canada is a set of two maps. One shows the maximum post-glacial marine limit in feet above present sea level and the second shows the maximum height of post-glacial rebound in feet above present sea level. Both maps show existing glaciers...

Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows the general make up of surface materials. Along with the map is a list of terrain classifications denoted as bedrock, unconsolidated material (glacial deposits, boulders, alluvium, gravels, sands, silts, clays,...

Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows the area of wetlands as a percentage of grid-units, 10 000 square kilometres in area. The term, wetlands, as used on this map, refers to areas represented on the 1:250 000 scale maps of the National Topographical...

Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows the great groups and subgroups of soil types as well as land types. This map is supplemented by diagrams and an explanation for soil profiles. The map uses a simplified color system based on The System of Soil...

Contained within the 4th Edition (1974) of the Atlas of Canada is a set of two maps. One shows soil temperature classes and the second shows soil moisture regimes and subclasses. These maps are supplemented by a text giving detailed definitions for both soil temperature classes and soil moisture...

Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows vegetation regions for the entire area of Canada. There is a colour/pattern fill which references the vegetation regions to the corresponding physiognomy and characteristic dominant plant species description lists...