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Autumn across America; a naturalist's record of a 20,000-mile journey through the North American autumn
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Journey into summer; a naturalist's record of a 19,000-mile journey through the North American summer
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North with the spring; a naturalist's record of a 17,000 mile journey with the North-American spring
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The new field book of nature activities and hobbies
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Our amazing world of Nature; its marvels & mysteries
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A clearing in the wilderness
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This good Earth : the view from Audubon magazine
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First in the field : America's pioneering naturalists
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The curious naturalist : nature's everyday mysteries
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Archaeological investigation of Fort Ligonier, 1960-1965
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The Ocean realm
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The Curious naturalist
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The rural life
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The Smithsonian guides to natural America. The Atlantic coast and Blue Ridge--Maryland, District of Columbia,Delaware, Virginia, North Carolina
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The wild woods guide : from Minnesota to Maine, the nature and lore of the great north woods
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Mountains of the heart : a natural history of the Appalachians
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Mountains of the heart : a natural history of the Appalachians
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The Southern Appalachians
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Exploring nature in winter : a guide to activities, adventures, and projects for the winter naturalist
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The great river : the making and unmaking of the Mississippi
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Between ocean and bay : a celebration of the Eastern Shore
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The Atlantic coast : a natural history
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Appalachian spring
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Here is the southwestern desert
