Books in Category: Environmental Issues
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XIII, Heft 3-4 : Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege (German)
277 downloads
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Birds Illustrated by Color Photography, Vol. 3, No. 4.
Various
275 downloads
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Crater Lake National Park, Oregon (1958)
United States. National Park Service
275 downloads
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Killing for Sport: Essays by Various Writers
274 downloads
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The Atom and the Ocean
E. W. Seabrook Hull
274 downloads
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Description of a plan for the improvement of the Central Park
Frederick Law Olmsted and Calvert Vaux
274 downloads
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Ecological Studies of the Timber Wolf in Northeastern Minnesota
L. David Mech, Louis Daniel Frenzel, Robert R. Ream, John W. Winship, and P. D. Karns
273 downloads
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Our Atomic World: The Story of Atomic Energy
C. Jackson Craven
273 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XV, Heft 3-4 : Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege (German)
272 downloads
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Reise in die Aequinoctial-Gegenden des neuen Continents. Band 4. (German)
Alexander von Humboldt
272 downloads
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The Mammals of Washtenaw County, Michigan
Norman Asa Wood
271 downloads
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Poisonous Dwellers of the Desert
Natt N. Dodge
271 downloads
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Report on the New York Botanical Garden
Olmsted Brothers
271 downloads
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The Story of Man In Yellowstone
Merrill D. Beal
270 downloads
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The Vailan or annular theory: A synopsis of Prof. I. N. Vail's argument in support of the claim that this Earth once possessed a Saturn-like system of rings
Stephen Bowers
270 downloads
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Geographic Variation in the Pocket Gopher, Thomomys bottae, in Colorado
Phillip M. Youngman
269 downloads
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Mensch und Erde: Skizzen von den Wechselbeziehungen zwischen beiden (German)
Alfred Kirchhoff
269 downloads
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The House Fly and How to Suppress It
L. O. Howard and F. C. Bishopp
269 downloads
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Forest Trees and Forest Scenery
G. Frederick Schwarz
267 downloads
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The Geologic Story of Colorado National Monument
Stanley William Lohman
267 downloads
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The BYU Solar Cooker/Cooler
Steven E. Jones
266 downloads
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Burton Island State Park: Guide to the Interpretive Nature Trail and Hiking Trail
Stephen Antil
266 downloads
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Buxton and its Medicinal Waters
Robert Ottiwell Gifford-Bennet
266 downloads
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The Farm That Won't Wear Out
Cyril G. Hopkins
266 downloads
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Acid Rain and Our Nation's Capital: A Guide to Effects on Buildings and Monuments
E. S. McGee
264 downloads
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