Georgetown Peabody Library
581.973*
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581.973*
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581.973*
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A field guide to trees and shrubs, field marks of all trees, shrubs, and woody vines that grow wild in the Northeastern and North-Central United States and in southeastern and south-central Canada, Illus. by George A. Petrides (leaf and twig plates) [and] Roger Tory Peterson (flowers, fruits, silhouettes)
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