Abstract
Patterns of glacial dispersal of lithologically distinctive erratics around Hudson Bay show the central portion of the North American Laurentide ice sheet to have been made up of at least two land-based centres, one that grew and dissipated in Keewatin, and one that grew and dissipated in Nouveau Quebec–Labrador.
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Shilts, W. Flow patterns in the central North American ice sheet. Nature 286, 213–218 (1980). https://doi.org/10.1038/286213a0
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DOI: https://doi.org/10.1038/286213a0
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