Books in Category: Environmental Issues
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Travels into North America, Volume 1 (of 3)
Pehr Kalm
426 downloads
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Mammals of the Southwest Mountains and Mesas
George Olin
421 downloads
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California: The Land of the Sun
Mary Austin
420 downloads
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Deadly Adulteration and Slow Poisoning Unmasked
Anonymous
420 downloads
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The Game Fish, of the Northern States and British Provinces
Robert Barnwell Roosevelt
417 downloads
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Hygeia, a City of Health
Benjamin Ward Richardson
412 downloads
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Cornwall
S. Baring-Gould
412 downloads
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Climatic Changes: Their Nature and Causes
Ellsworth Huntington and Stephen Sargent Visher
406 downloads
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Mosaic of New Mexico's Scenery, Rocks, and History
406 downloads
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Atoms, Nature, and Man: Man-made Radioactivity in the Environment
Neal O. Hines
406 downloads
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Ideen zu einer Physiognomik der Gewächse (German)
Alexander von Humboldt
405 downloads
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Rural Hygiene
Henry N. Ogden
403 downloads
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Wayside and Woodland Trees: A pocket guide to the British sylva
Edward Step
403 downloads
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Travels into North America, Volume 3 (of 3)
Pehr Kalm
402 downloads
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Bird Guide: Land Birds East of the Rockies, from Parrots to Bluebirds
Chester A. Reed
402 downloads
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Big Bend National Park, Texas
United States. National Park Service. Division of Publications
401 downloads
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African Nature Notes and Reminiscences
Frederick Courteney Selous
400 downloads
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Collectanea de Diversis Rebus: Addresses and Papers
Sir Peter Eade
399 downloads
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Ecological Observations on the Woodrat, Neotoma floridana
Dennis G. Rainey and Henry S. Fitch
399 downloads
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The ivory king : A popular history of the elephant and its allies
Charles Frederick Holder
397 downloads
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The Natural History of Selborne, Vol. 1
Gilbert White
394 downloads
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A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, México
William Edward Duellman
391 downloads
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Animal Life of the British Isles
Edward Step
389 downloads
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Village Improvements and Farm Villages
George E. Waring
389 downloads
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Coal, and What We Get from It
Raphael Meldola
387 downloads
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