The Michigan County Maps of Upper Peninsula include notes documenting L. Walkinshaw's field work with birds including Sandhill Cranes 1961-1986. Includes notes relating to birds and their nests with ...
Michigan County Maps (Miscellaneous Counties), include notations document the ornithological field work of L. Walkinshaw, 1964-1982. Notes relate to types of birds and nests observed, dates of ...
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