Books in Category: Environmental Issues
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Practical Forestry in the Pacific Northwest
E. T. Allen
167 downloads
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An inquiry into the propagation of contagious poisons, by the atmosphere : as also into the nature and effects of vitiated air, its forms and sources, and other causes of pestilence : with directions for avoiding the action of contagion, and observations on some means for promoting public health
Somerville Scott Alison
166 downloads
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Big Bend National Park: Land of Dramatic Contrasts and Scenic Grandeur
W. Ray Scott
166 downloads
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El Arroyo (Spanish)
Elisée Reclus
165 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XIV, Heft 3-4 : Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege (German)
165 downloads
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The Glamour of the Arctic
Arthur Conan Doyle
165 downloads
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Coral and Coral Reefs
Thomas Henry Huxley
165 downloads
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Wind and Weather
Alexander McAdie
165 downloads
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Zwischen Pol und Äquator: Tiergeographische Lebensbilder (German)
Kurt Floericke
164 downloads
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Burton Island State Park: Guide to the Interpretive Nature Trail and Hiking Trail
Stephen Antil
164 downloads
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Noteworthy Mammals from Sinaloa, Mexico
Ticul Alvarez, J. Knox Jones, and M. Raymond Lee
164 downloads
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Colonisação de Lourenço Marques: Conferencia feita em 13 de março de 1897 (Portuguese)
Alfredo Augusto Freire de Andrade
164 downloads
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Yosemite National Park, California
United States. National Park Service
164 downloads
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Atoms, Nature, and Man: Man-made Radioactivity in the Environment
Neal O. Hines
163 downloads
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Life in the Shifting Dunes
Laurence B. White
163 downloads
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Mammoth Hot Springs Area: Yellowstone National Park
Anonymous
163 downloads
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The Underworld of Oregon Caves National Monument
Roger J. Contor
162 downloads
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Bryce Canyon National Park, Utah (1952)
United States. National Park Service
162 downloads
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Our national forests : a short popular account of the work of the United States Forest service on the national forests
Richard H. D. Boerker
162 downloads
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Sewage and sewerage of farm homes [1922]
George M. Warren
161 downloads
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The Forests of Mount Rainier National Park
G. F. Allen
161 downloads
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The Grand Cañon of the Colorado
John Muir
161 downloads
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Descripción Geografica, Histórica y Estadística de Bolivia, Tomo 1. (Spanish)
Alcide Dessalines d' Orbigny
160 downloads
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Crater Lake National Park, Oregon (1938)
United States. National Park Service
160 downloads
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Preserving Louisiana's Legacy: Everyone Can Help
Nancy W. Hawkins
160 downloads
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