Books in Category: Environmental Issues
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Rocky Mountain National Park [Colorado]
United States. Department of the Interior
379 downloads
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Psychological Aspects of the Problem of Atmospheric Smoke Pollution
J. E. Wallace Wallin
379 downloads
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South America
Gardiner G. Hubbard
379 downloads
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Histoire d'une Montagne (French)
Elisée Reclus
377 downloads
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The Tusayan ritual : A study on the influence of environment on aboriginal cults
Jesse Walter Fewkes
377 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XII, Heft 4-6 : Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege (German)
377 downloads
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An Essay on the Encroachments of the German Ocean Along the Norfolk Coast
William Hewitt
376 downloads
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The Plague at Marseilles Consider'd
Richard Bradley
375 downloads
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Rocky Mountain National Park, Colorado
Edwin C. Alberts
375 downloads
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Big Bend National Park: Land of Dramatic Contrasts and Scenic Grandeur
W. Ray Scott
375 downloads
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Mammoth Hot Springs Area: Yellowstone National Park
Anonymous
375 downloads
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Olympic National Park, Washington
Gunnar O. Fagerlund
375 downloads
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Description of a plan for the improvement of the Central Park
Frederick Law Olmsted and Calvert Vaux
374 downloads
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Bamboo, Considered as a Paper-making Material
Thomas Routledge
373 downloads
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Observations on the Mississippi Kite in Southwestern Kansas
Henry S. Fitch
373 downloads
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In Het Rijk van Vulcaan (Dutch)
R. A. van Sandick
372 downloads
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Coyotes in Their Economic Relations
David E. Lantz
372 downloads
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Forestry for Farmers
B. E. Fernow
371 downloads
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Zion National Park, Utah (1951)
United States. National Park Service
370 downloads
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Nalakihu-Citadel Trail, Wupatki National Monument, Arizona
Southwest Parks and Monuments Association
370 downloads
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Tonto Cliff Dwellings Guide: Tonto National Monument, Arizona
United States. National Park Service and Southwest Parks and Monuments Association
370 downloads
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The National Geographic Magazine, Vol. I., No. 4, October, 1889
Various
369 downloads
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Cruise of the Revenue-Steamer Corwin in Alaska and the N.W. Arctic Ocean in 1881: Botanical Notes
John Muir
369 downloads
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Os Cataventos (Portuguese)
Rocha Peixoto
369 downloads
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Rapport sur une mission botanique exécutée en 1884 dans la région saharienne, au nord des grands chotts et dans les îles de la côte orientale de la Tunisie (French)
Napoléon Doumet-Adanson
368 downloads