Books in Category: Environmental Issues
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Deadly Adulteration and Slow Poisoning Unmasked
Anonymous
668 downloads
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Deutsche Nordseeküste: Friesische Inseln und Helgoland. (German)
Hippolyt Julius Haas
654 downloads
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Guida delle Prealpi Giulie (Italian)
Olinto Marinelli
652 downloads
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Many-Storied Mountains: The Life of Glacier National Park
Greg Beaumont
651 downloads
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The Natural History of Selborne, Vol. 2
Gilbert White
649 downloads
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The Game-Birds of the Coasts and Lakes of the Northern States of America
Robert Barnwell Roosevelt
648 downloads
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Cave Regions of the Ozarks and Black Hills
Luella Agnes Owen
642 downloads
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Desert and water gardens of the Red Sea : Being an account of the natives and the shore formations of the coast
Cyril Crossland
640 downloads
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The Geographical Distribution of Animals, Volume 1
Alfred Russel Wallace
639 downloads
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Appletons' Popular Science Monthly, November 1898
Various
637 downloads
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Migration of Birds (1979)
Frederick Charles Lincoln and Steven R. Peterson
636 downloads
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Landscape in History, and Other Essays
Archibald Geikie
635 downloads
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Ideen zu einer Physiognomik der Gewächse (German)
Alexander von Humboldt
633 downloads
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Report on the lands of the arid region of the United States, with a more detailed account of the lands of Utah
John Wesley Powell, Grove Karl Gilbert, Clarence E. Dutton, A. H. Thompson, and Willis Drummond
632 downloads
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A Report upon the Mollusk Fisheries of Massachusetts
Massachusetts. Commissioners on Fisheries and Game and David Lawrence Belding
630 downloads
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Appletons' Popular Science Monthly, February 1899
Various
628 downloads
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Weather proverbs
H. H. C. Dunwoody
618 downloads
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Volcanic Islands
Charles Darwin
616 downloads
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Zion National Park, Utah (1951)
United States. National Park Service
615 downloads
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Millions from Waste
Frederick Arthur Ambrose Talbot
614 downloads
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A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, México
William Edward Duellman
611 downloads
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Reise in die Aequinoctial-Gegenden des neuen Continents. Band 3. (German)
Alexander von Humboldt
608 downloads
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Birds and All Nature, Vol. 4, No. 3, September 1898
Various
608 downloads
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Bird Day; How to prepare for it
Charles Almanzo Babcock
608 downloads
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Saguaro National Monument, Arizona
Napier Shelton and Natt N. Dodge
606 downloads