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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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Appalachian spring
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Appalachian autumn
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Tiny worlds of the Appalachian Mountains : an artist's journey
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Rocky Mountains
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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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The great river : the making and unmaking of the Mississippi
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Because of an acorn
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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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Here is the southwestern desert
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Seasonal guide to the natural year : a month by month guide to natural events : Mid-Atlantic
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Sea of grass : the conquest, ruin, and redemption of nature on the American prairie
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Seashells in my pocket : AMC's family guide to exploring the coast from Maine to Florida
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Cactus cafe : a story of the Sonoran Desert
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The death and life of the Great Lakes
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The lost forest : an unexpected discovery beneath the waves
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Poo pile on the prairie
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The rural life
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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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Autumn across America; a naturalist's record of a 20,000-mile journey through the North American autumn
