Books in Category: Environmental Issues
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One Hundred Years in Yosemite: The Story of a Great Park and Its Friends
Carl Parcher Russell
1123 downloads
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Mammals of Mesa Verde National Park, Colorado
Sydney Anderson
1102 downloads
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Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3
Alexander von Humboldt and Aimé Bonpland
1094 downloads
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Research methods in ecology
Frederic E. Clements
1093 downloads
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The National Geographic Magazine, Vol. III. (Complete), 1891
Various
1083 downloads
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Life History and Ecology of the Five-Lined Skink, Eumeces fasciatus
Henry S. Fitch
1078 downloads
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Cape Cod
Henry David Thoreau
1074 downloads
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Conservation of marine birds of northern North America:
1073 downloads
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Men of the Old Stone Age: Their Environment, Life and Art
Henry Fairfield Osborn
1060 downloads
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Bird-Lore, Volume I—1899
Various
1039 downloads
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The Fight for Conservation
Gifford Pinchot
1034 downloads
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Abessinien, das Alpenland unter den Tropen und seine Grenzländer (German)
Richard Andree
1026 downloads
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The Naturalist in La Plata
W. H. Hudson
1022 downloads
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Discoveries in Australia, Volume 2
John Lort Stokes
977 downloads
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The Arctic World : Its plants, animals, and natural phenomena. With a historical sketch of Arctic discovery, down to the British polar expedition: 1875-76.
Anonymous
968 downloads
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The useful trees of northern Nigeria
Hugh Vandervaes Lely
946 downloads
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Garden and Forest Weekly, Volume 1 No. 1, February 29, 1888
Various
936 downloads
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Observations of a Naturalist in the Pacific Between 1896 and 1899, Volume 2
H. B. Guppy
918 downloads
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The Malay Archipelago, Volume 2
Alfred Russel Wallace
917 downloads
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Extinct birds : An attempt to unite in one volume a short account of those birds which have become extinct in historical times
Baron Lionel Walter Rothschild Rothschild
914 downloads
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The Beauties of Nature, and the Wonders of the World We Live In
Sir John Lubbock
902 downloads
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Big Bend National Park, Texas
United States. National Park Service. Division of Publications
899 downloads
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The dawn of astronomy
Sir Norman Lockyer
898 downloads
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The Harvest of the Sea
James Glass Bertram
885 downloads
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The Story of Man In Yellowstone
Merrill D. Beal
867 downloads
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