Books in Category: Environmental Issues
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Information for the Guidance of Field Men and Cooperators of the Bureau of Biological Survey Engaged in the Control of Injurious Rodents and Predatory Animals
Stanley Paul Young and Paul G. Redington
454 downloads
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Grand Teton National Park, Wyoming (1952)
United States. National Park Service
453 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XII, Heft 4-6 : Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege (German)
452 downloads
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Road Guide to Lassen Volcanic National Park
Paul E. Schulz
452 downloads
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Sewage Disposal on the Farm, and Protection of Drinking Water
Theobald Smith
452 downloads
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Seventeen Species of Bats Recorded from Barro Colorado Island, Panama Canal Zone
E. Raymond Hall and William B. Jackson
452 downloads
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Tirol (German)
Max Haushofer
451 downloads
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Ferns of Hawaii National Park
Douglass H. Hubbard
451 downloads
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Coyotes in Their Economic Relations
David E. Lantz
450 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XII, Heft 1-3 : Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege (German)
449 downloads
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Birds and All Nature, Vol. 4, No. 2, August 1898
Various
449 downloads
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Tonto Cliff Dwellings Guide: Tonto National Monument, Arizona
United States. National Park Service and Southwest Parks and Monuments Association
448 downloads
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Great Testimony against scientific cruelty
Stephen Coleridge
447 downloads
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La Terre de Feu d'après le Dr Otto Nordenskjöld (French)
Charles Rabot
447 downloads
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Epidemics Examined and Explained: or, Living Germs Proved by Analogy to be a Source of Disease
John Grove
447 downloads
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Acid Rain and Our Nation's Capital: A Guide to Effects on Buildings and Monuments
E. S. McGee
445 downloads
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Parks for the People
Various
443 downloads
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Forestry for Farmers
B. E. Fernow
440 downloads
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Preserving Louisiana's Legacy: Everyone Can Help
Nancy W. Hawkins
439 downloads
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De afsluiting en droogmaking der Zuiderzee. Weerlegging van bezwaren.
(Dutch)
A. A. Beekman
439 downloads
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The BYU Solar Cooker/Cooler
Steven E. Jones
439 downloads
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Sand dunes story
Donna P. Bessken
439 downloads
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Birds and All Nature, Vol. 4, No. 4, October 1898
Various
438 downloads
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Ecology of the Opossum on a Natural Area in Northeastern Kansas
Henry S. Fitch and Lewis L. Sandidge
438 downloads
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Deserts: Geology and Resources
A. S. Walker
438 downloads