Reconnaissance of landforms and deposits by the Geological Survey of Canada (Division of Quaternary Research and Geomorphology) commenced and completed in 1969, was undertaken to provide information for current bedrock geological mapping, geochemical prospecting, forestcapability inventory, and engineering feasibility studies, as well as to study certain interesting features noted on air photo mosaics by the writer in 1965 during compilation of the Glacial Map of Canada.
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Douglas Grant (1969) studied this question.