Books in Category: Environmental Issues
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The History of Badlands National Monument and the White River (Big) Badlands of South Dakota
Ray H. Mattison and Robert A. Grom
678 downloads
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The Natural History of Selborne, Vol. 2
Gilbert White
676 downloads
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Historia natural y moral de las Indias (vol. 1 of 2) (Spanish)
José de Acosta
676 downloads
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Life History and Ecology of the Five-Lined Skink, Eumeces fasciatus
Henry S. Fitch
673 downloads
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Nature Mysticism
John Edward Mercer
672 downloads
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Guatemala, the country of the future
Charles M. Pepper
670 downloads
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The evolution of climate
C. E. P. Brooks
668 downloads
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Great Smoky Mountains National Park, North Carolina and Tennessee
United States. National Park Service
667 downloads
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Guida delle Prealpi Giulie (Italian)
Olinto Marinelli
667 downloads
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The binding of the Nile and the new Soudan
Sidney Cornwallis Peel
663 downloads
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Fishing Grounds of the Gulf of Maine
Walter H. Rich
663 downloads
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Deutsche Nordseeküste: Friesische Inseln und Helgoland. (German)
Hippolyt Julius Haas
653 downloads
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Bird-Lore, March-April 1916
Various
646 downloads
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A Review of the Resources and Industries of the State of Washington, 1909
Ithamar M. Howell
644 downloads
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Appletons' Popular Science Monthly, September 1899
Various
642 downloads
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Mammals of the Southwest Mountains and Mesas
George Olin
641 downloads
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In Wildest Africa, Vol. 1
C. G. Schillings
640 downloads
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Ethnology of the Ungava District, Hudson Bay Territory
Lucien M. Turner
635 downloads
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Scientific American Supplement, No. 520, December 19, 1885
Various
628 downloads
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Migration of Birds (1950)
Frederick Charles Lincoln
626 downloads
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Killing for Sport: Essays by Various Writers
625 downloads
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Practical Methods of Sewage Disposal for Residences, Hotels and Institutions
Henry N. Ogden and H. Burdett Cleveland
623 downloads
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Hampshire Days
W. H. Hudson
622 downloads
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Cornwall
S. Baring-Gould
616 downloads
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Flowers of the Southwest Deserts
Natt N. Dodge
612 downloads