Books in Category: Environmental Issues
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Georgicon (Latin)
Virgil
1206 downloads
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The Argentine Republic: Its Development and Progress
Pierre Denis
1202 downloads
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The Ohio naturalist, Vol. 1, No. 3, January, 1901
Ohio State University. Biological Club
1179 downloads
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A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, México
William Edward Duellman
1163 downloads
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Man and Nature; Or, Physical Geography as Modified by Human Action
George P. Marsh
1142 downloads
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Glacier National Park [Montana]
United States. Department of the Interior
1140 downloads
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The National Geographic Magazine, Vol. III. (Complete), 1891
Various
1134 downloads
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Conservation of marine birds of northern North America:
1101 downloads
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Great Disasters and Horrors in the World's History
Allen Howard Godbey
1077 downloads
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Sketches of the Natural History of Ceylon
Sir James Emerson Tennent
1074 downloads
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The Rivers of Great Britain, Descriptive, Historical, Pictorial: Rivers of the South and West Coasts
Various
1072 downloads
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The Andes of Southern Peru
Isaiah Bowman
1066 downloads
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The Malay Archipelago, Volume 2
Alfred Russel Wallace
1031 downloads
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Your National Parks, with Detailed Information for Tourists
Enos A. Mills and Laurence Frederick Schmeckebier
948 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
945 downloads
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The Earth and its inhabitants, Volume 1: Europe.
Elisée Reclus
943 downloads
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The Romance of Natural History, Second Series
Philip Henry Gosse
930 downloads
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One Hundred Years in Yosemite: The Story of a Great Park and Its Friends
Carl Parcher Russell
920 downloads
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Cape Cod
Henry David Thoreau
865 downloads
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Observations of a Naturalist in the Pacific Between 1896 and 1899, Volume 2
H. B. Guppy
860 downloads
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The Natural History of Wiltshire
John Aubrey
859 downloads
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A supplementary report on the results of a special inquiry into the practice of interment in towns.
Edwin Chadwick
851 downloads
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Creation of the Teton Landscape: The Geologic Story of Grand Teton National Park
John C. Reed and J. D. Love
836 downloads
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The Yellowstone National Park: Historical and Descriptive
Hiram Martin Chittenden
833 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
828 downloads
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