Books in Category: Environmental Issues
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The Arctic World : Its plants, animals, and natural phenomena. With a historical sketch of Arctic discovery, down to the British polar expedition: 1875-76.
Anonymous
660 downloads
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Big Bend National Park, Texas
United States. National Park Service. Division of Publications
660 downloads
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Ancient Landscapes of the Grand Canyon Region
Edwin D. McKee
660 downloads
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Extinct birds : An attempt to unite in one volume a short account of those birds which have become extinct in historical times
Baron Lionel Walter Rothschild Rothschild
657 downloads
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Flowers of the Southwest Deserts
Natt N. Dodge
655 downloads
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Villages of the Algonquian, Siouan, and Caddoan Tribes West of the Mississippi
David I. Bushnell
646 downloads
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Standard methods for the examination of water and sewage
American Public Health Association. Laboratory Section, American Chemical Society, and Association of Official Agricultural Chemists
639 downloads
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Poisonous Dwellers of the Desert
Natt N. Dodge
637 downloads
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A History of Epidemic Pestilences
Edward Bascome
627 downloads
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Michigan Trees: A Handbook of the Native and Most Important Introduced Species
Charles Herbert Otis
625 downloads
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The Story of Man In Yellowstone
Merrill D. Beal
624 downloads
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The History of Badlands National Monument and the White River (Big) Badlands of South Dakota
Ray H. Mattison and Robert A. Grom
624 downloads
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Rural Hygiene
Henry N. Ogden
622 downloads
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The Taleef Shereef; Or, Indian Materia Medica
617 downloads
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A Guide to the Mount's Bay and the Land's End
John Ayrton Paris
608 downloads
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Cuba Past and Present
Richard Davey
606 downloads
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Weather proverbs
H. H. C. Dunwoody
605 downloads
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The giant sequoia : An account of the history and characteristics of the big trees of California
Rodney Sydes Ellsworth
605 downloads
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The Geologic Story of Yellowstone National Park
William R. Keefer
605 downloads
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Proceedings [of the] fourth National Conservation Congress [at] Indianapolis, October 1-4, 1912
United States. National Conservation Congress
602 downloads
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Everglades Wildguide
Jean Craighead George
602 downloads
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Wild Animals of the Rockies
James P. Gilligan
601 downloads
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The Story of the Hills: A Book About Mountains for General Readers.
H. N. Hutchinson
601 downloads
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Animal life of the British Isles : a pocket guide to the mammals, reptiles and batrachians of wayside and woodland
Edward Step
600 downloads
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Histoire d'un ruisseau (French)
Elisée Reclus
600 downloads