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Pre-Owned A Field Guide to the Birds: A Completely New Guide to All the Birds of Eastern and Central North America (The Peterson field guide series ; 1) (Hardcover) 0395266211 9780395266212
Roger Tory Peterson had already made his mark with his innovative field guide when he conducted DDT research during World War II. His friend and fellow naturalist Rachel Carson built on these efforts and eventually wrote Silent Spring a landmark...
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