Books in Category: Environmental Issues
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Big Bend National Park, Texas
United States. National Park Service. Division of Publications
1151 downloads
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The useful trees of northern Nigeria
Hugh Vandervaes Lely
1145 downloads
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On the mode of communication of cholera
John Snow
1117 downloads
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The Geologic Story of Arches National Park
Stanley William Lohman
1116 downloads
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The Naturalist in La Plata
W. H. Hudson
1103 downloads
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Research methods in ecology
Frederic E. Clements
1103 downloads
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The filtration of public water-supplies
Allen Hazen
1098 downloads
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The Fight for Conservation
Gifford Pinchot
1083 downloads
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Common trees of Pennsylvania
Joseph E. Ibberson, A. B. Mickalitis, J. E. Aughenbaugh, and C. L. Morris
1083 downloads
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Animal life of the British Isles : a pocket guide to the mammals, reptiles and batrachians of wayside and woodland
Edward Step
1076 downloads
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Angola and the River Congo, vol. 2
Joachim John Monteiro
1069 downloads
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Whales, dolphins, and porpoises of the western North Atlantic : a guide to their identification
Stephen Leatherwood, David K. Caldwell, and Howard Elliott Winn
1063 downloads
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Aspects of nature, in different lands and different climates (Vol. 2 of 2)
Alexander von Humboldt
1052 downloads
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Cottage Building in Cob, Pisé, Chalk and Clay: A Renaissance (2nd edition)
Clough Williams-Ellis
1051 downloads
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Yorkshire Vales and Wolds
Gordon Home
1039 downloads
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Ethnology of the Ungava District, Hudson Bay Territory
Lucien M. Turner
1035 downloads
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The Natural History of Wiltshire
John Aubrey
1033 downloads
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Everglades Wildguide
Jean Craighead George
1023 downloads
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Mutual Aid: A Factor of Evolution
kniaz Petr Alekseevich Kropotkin
1008 downloads
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ASCE 1193: The Water-Works and Sewerage of Monterrey, N. L., Mexico
G. R. G. Conway
1005 downloads
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Botanical features of the Algerian Sahara
William Austin Cannon
1005 downloads
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Agate Fossil Beds National Monument, Nebraska
United States. National Park Service
1004 downloads
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Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2
Alexander von Humboldt and Aimé Bonpland
998 downloads
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Wild Animals of North America
Edward William Nelson
991 downloads
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Killing for Sport: Essays by Various Writers
983 downloads