Books in Category: Environmental Issues
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House Rats and Mice
David E. Lantz
481 downloads
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The Farm That Won't Wear Out
Cyril G. Hopkins
479 downloads
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Volcanoes
Robert I. Tilling
479 downloads
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Lajien synty: Luonnollisen valinnan kautta (Finnish)
Charles Darwin
478 downloads
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Description of a plan for the improvement of the Central Park
Frederick Law Olmsted and Calvert Vaux
478 downloads
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The Atom and the Ocean
E. W. Seabrook Hull
478 downloads
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The Kingdom of Man
Sir E. Ray Lankester
474 downloads
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Worldwide Effects of Nuclear War: Some Perspectives
United States. Arms Control and Disarmament Agency
473 downloads
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Whale Primer, with Special Attention to the California Gray Whale
Theodore J. Walker
473 downloads
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The Coming of Coal
Robert W. Bruère
473 downloads
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El Campesino Puertorriqueño
(Spanish)
Francisco del Valle Atiles
472 downloads
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Some Common Birds Useful to the Farmer (1915 edition)
F. E. L. Beal
472 downloads
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The Forest Habitat of the University of Kansas Natural History Reservation
Henry S. Fitch and Ronald L. McGregor
472 downloads
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Olympic National Park, Washington
Gunnar O. Fagerlund
470 downloads
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Greasy luck : A whaling sketch book
Gordon Grant
469 downloads
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Histoire d'une Montagne (French)
Elisée Reclus
464 downloads
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Mammals of the San Gabriel Mountains of California
Terry A. Vaughan
462 downloads
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Our Atomic World: The Story of Atomic Energy
C. Jackson Craven
462 downloads
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Coral and Coral Reefs
Thomas Henry Huxley
459 downloads
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The Common Nature of Epidemics, and their relation to climate and civilization
Southwood Smith
457 downloads
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The Vivisectors' Directory
456 downloads
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Wild Animals of the Rockies
James P. Gilligan
455 downloads
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The Salton Sea: An account of Harriman's fight with the Colorado River
George Kennan
455 downloads
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Comparative geography
Carl Ritter
454 downloads
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In Het Rijk van Vulcaan (Dutch)
R. A. van Sandick
453 downloads