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  1. By: Viereck, Leslie A. - Little, Elbert Luther,
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, Forest Service, 1975
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  1. By: Viereck, Leslie A. - Foote, Joan M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 84
    Issue: 2
    Date: 1970
    Page Range: 169--173
    Publication Info: Ottawa Ottawa Field-Naturalists' Club