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Block diagrams showing changes due to valley glaciation
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[1948-58] (Vervaardig)
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1 slide : b&w ; 5 X 5 cm
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Block diagrams showing changes due to valley glaciation. (A) Unglaciated mature topography. (B) A system of valley glaciers occupies the former stream valleys and causes deep erosion. Frost action causes weathering of unglaciated slopes and provides a source of debris for lateral moraines. (C) Climatic change causes melting and disappearance of glaciers, leaving behind tell-tale topography which includes hanging valleys. U-shaped valleys, lakes, end moraines, and rugged peaks.
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Photographer: Unknown
Copyright holder: University of Saskatchewan
Copyright expires: 2053
Other terms: Responsibility regarding questions of copyright that may arise in the use of any images is assumed by the researcher.