Serpentine geoecology of western North America geology, soils, and vegetation /

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Conservation of the black-tailed prairie dog saving North America's western grasslands /

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The American West at risk science, myths, and politics of land abuse and recovery / por Wilshire, Howard Gordon, 1926-

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The natural world of Lewis and Clark por Dalton, David A.

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Moths of Western North America por Powell, Jerry A.

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Fauna and flora, earth and sky brushes with nature's wisdom / por Dittmar, Trudy, 1944-

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The natural history of the Long Expedition to the Rocky Mountains (1819-1820) por Evans, Howard Ensign

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How the West was warmed responding to climate change in the Rockies /

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Renaissance man of Cannery Row the life and letters of Edward F. Ricketts / por Ricketts, Edward Flanders, 1897-1948

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Dragonflies and damselflies of the West por Paulson, Dennis R.

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Seeking refuge birds and landscapes of the Pacific flyway / por Wilson, Robert M., 1971-

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Rough-hewn land a geologic journey from California to the Rocky Mountains / por Meldahl, Keith Heyer

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Field guide to mushrooms of western North America por Davis, R. Michael

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Field guide to owls of California and the West por Peeters, Hans J.

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Introduction to horned lizards of North America por Sherbrooke, Wade C.

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The West without water what past floods, droughts, and other climatic clues tell us about tomorrow / por Ingram, B. Lynn, 1961-

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Field guide to the common bees of California including bees of the Western United States / por LeBuhn, Gretchen, 1961-

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Trees of Western North America / por Spellenberg, Richard, Earle, Christopher J., Nelson, Gil

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Moths of Western North America por Powell, Jerry A.

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Fauna and flora, earth and sky brushes with nature's wisdom / por Dittmar, Trudy, 1944-

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