Books in Category: Environmental Issues
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Western Himalaya and Tibet
Thomas Thomson
747 downloads
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Histoire d'un ruisseau (French)
Elisée Reclus
743 downloads
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The Earth as Modified by Human Action
George P. Marsh
741 downloads
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Tableau du climat et du sol des États-Unis d'Amérique
(French)
C.-F. Volney
740 downloads
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The Natural History of Wiltshire
John Aubrey
740 downloads
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Volcanic Islands
Charles Darwin
739 downloads
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The Nation's River: A report on the Potomac
United States. Department of the Interior
739 downloads
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Use of tobacco among North American Indians
Ralph Linton
739 downloads
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The Naturalist in La Plata
W. H. Hudson
737 downloads
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The Municipal and Sanitary Engineer's Handbook
H. Percy Boulnois
736 downloads
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One Hundred Years in Yosemite: The Story of a Great Park and Its Friends
Carl Parcher Russell
734 downloads
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Appletons' Popular Science Monthly, November 1898
Various
732 downloads
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The Natural History of Selborne, Vol. 2
Gilbert White
731 downloads
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Proceedings of the second National Conservation Congress at Saint Paul, September 5-8, 1910
United States. National Conservation Congress
723 downloads
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Nature Mysticism
John Edward Mercer
722 downloads
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Many-Storied Mountains: The Life of Glacier National Park
Greg Beaumont
721 downloads
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Mammals of the Southwest Mountains and Mesas
George Olin
721 downloads
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Acid Rain and Our Nation's Capital: A Guide to Effects on Buildings and Monuments
E. S. McGee
721 downloads
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Mosaic of New Mexico's Scenery, Rocks, and History
720 downloads
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Ragnarok : the Age of Fire and Gravel
Ignatius Donnelly
719 downloads
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Migration of Birds (1979)
Frederick Charles Lincoln and Steven R. Peterson
714 downloads
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Cavity-Nesting Birds of North American Forests
Virgil E. Scott, Keith E. Evans, David R. Patton, and Charles P. Stone
713 downloads
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Deadly Adulteration and Slow Poisoning Unmasked
Anonymous
712 downloads
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Ohio Arbor Day 1913: Arbor and Bird Day Manual
710 downloads
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Animals' Rights Considered in Relation to Social Progress
Henry S. Salt
709 downloads