Contributor biographical information for A field guide to eastern trees : eastern United States and Canada, including the Midwest / George A. Petrides ; illustrated by Janet Wehr.


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Roger Tory Peterson, one of the world's greatest naturalists, received every major award for ornithology, natural science, and conservation, as well as numerous honorary degrees, medals, and citations, including the Presidential Medal of Freedom. The Peterson Identification System has been called the greatest invention since binoculars, and the Peterson Field Guides® are credited with helping to set the stage for the environmental movement.


Library of Congress subject headings for this publication:
Trees -- East (U.S.) -- Identification.
Trees -- Canada, Eastern -- Identification.
Trees -- East (U.S.) -- Pictorial works.
Trees -- Canada, Eastern -- Pictorial works.