Books in Category: Environmental Issues
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Mesa Verde [Colorado] National Park
Anonymous
570 downloads
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The Dawn of Canadian History : A Chronicle of Aboriginal Canada
Stephen Leacock
569 downloads
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Animals' Rights Considered in Relation to Social Progress
Henry S. Salt
567 downloads
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Arbor Day Leaves
Nathaniel Hillyer Egleston
566 downloads
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An Experimental Translocation of the Eastern Timber Wolf
Thomas F. Weise, William Laughlin Robinson, Richard A. Hook, and L. David Mech
566 downloads
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Municipal housecleaning : the methods and experiences of American cities in collecting and disposing of their municipal wastes—ashes, rubbish, garbage, manure, sewage, and street refuse
William Parr Capes and Jeanne Daniels Carpenter
564 downloads
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Wayside and woodland trees : a pocket guide to the British sylva
Edward Step
553 downloads
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Tableau du climat et du sol des États-Unis d'Amérique
(French)
C.-F. Volney
548 downloads
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Grand Teton [Wyoming] National Park
United States. Department of the Interior
546 downloads
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Coal, and What We Get from It
Raphael Meldola
545 downloads
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Comparative geography
Carl Ritter
544 downloads
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Scientific American Supplement, No. 520, December 19, 1885
Various
543 downloads
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Flowers of the Southwest Deserts
Natt N. Dodge
541 downloads
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Appletons' Popular Science Monthly, September 1899
Various
540 downloads
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Animal Sanctuaries in Labrador
William Wood
538 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
535 downloads
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Conservation Reader
Harold W. Fairbanks
533 downloads
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Cape Cod : its natural and cultural history : a guide to Cape Cod National Seashore, Massachusetts
United States. National Park Service. Division of Publications and Robert Finch
533 downloads
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Mammals of the Southwest Mountains and Mesas
George Olin
532 downloads
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Many-Storied Mountains: The Life of Glacier National Park
Greg Beaumont
532 downloads
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The Geologic Story of Arches National Park
Stanley William Lohman
532 downloads
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Woodland Gleanings: Being an Account of British Forest-Trees
Robert Tyas
530 downloads
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Saguaro National Monument, Arizona
Napier Shelton and Natt N. Dodge
529 downloads
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Mammals of the San Gabriel Mountains of California
Terry A. Vaughan
525 downloads
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Bird Guide: Land Birds East of the Rockies, from Parrots to Bluebirds
Chester A. Reed
524 downloads