Books in Category: Environmental Issues
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Zion National Park, Utah (1951)
United States. National Park Service
366 downloads
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Supplement to Animal Sanctuaries in Labrador
William Wood
365 downloads
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Birds and All Nature, Vol. 4, No. 2, August 1898
Various
364 downloads
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Why I Am a Vegetarian
J. Howard Moore
363 downloads
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Forestry for Farmers
B. E. Fernow
363 downloads
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Our Common Land (and Other Short Essays)
Octavia Hill
363 downloads
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Reise in die Aequinoctial-Gegenden des neuen Continents. Band 4. (German)
Alexander von Humboldt
363 downloads
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The Black Moose in Pennsylvania
Henry W. Shoemaker
363 downloads
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Pohjoisnavalta päiväntasaajalle: Helppotajuisia esitelmiä (Finnish)
Alfred Edmund Brehm
362 downloads
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Sanitation of Mofussil Bazaars
G. W. Disney
362 downloads
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Report on the New York Botanical Garden
Olmsted Brothers
359 downloads
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Island Trail at Walnut Canyon
Southwestern Monuments Association
359 downloads
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The National Geographic Magazine, Vol. I., No. 4, October, 1889
Various
359 downloads
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Sanctuary: A Bird Masque
Percy MacKaye
359 downloads
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The Coming of Coal
Robert W. Bruère
358 downloads
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Description of a plan for the improvement of the Central Park
Frederick Law Olmsted and Calvert Vaux
358 downloads
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Water and power for San Francisco from Hetch-Hetchy Valley in Yosemite National Park
Martin Samuel Vilas
358 downloads
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Mammoth Hot Springs Area: Yellowstone National Park
Anonymous
358 downloads
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Comparative geography
Carl Ritter
357 downloads
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Conservation Archaeology of the Richland/Chambers Dam and Reservoir
L. Mark Raab and Randall W. Moir
357 downloads
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Rusticus : or, The future of the countryside
Martin S. Briggs
357 downloads
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O Vegetarismo e a Moralidade das raças (Portuguese)
Jaime de Magalhães Lima
357 downloads
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Seventeen Species of Bats Recorded from Barro Colorado Island, Panama Canal Zone
E. Raymond Hall and William B. Jackson
356 downloads
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Psychological Aspects of the Problem of Atmospheric Smoke Pollution
J. E. Wallace Wallin
356 downloads
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Glaciers and Glaciation in Glacier National Park
James L. Dyson
356 downloads