Books in Category: Environmental Issues
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The School Book of Forestry
Charles Lathrop Pack
836 downloads
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Wild Animals of North America
Edward William Nelson
832 downloads
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Human Origins
S. Laing
825 downloads
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Travels into North America, Volume 1 (of 3)
Pehr Kalm
823 downloads
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Bird Guide: Land Birds East of the Rockies, from Parrots to Bluebirds
Chester A. Reed
817 downloads
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Ukraine, the land and its people : an introduction to its geography
Stepan Rudnytskyi
817 downloads
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Birds useful and birds harmful
J. A. Owen and Ottó Herman
816 downloads
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The romance of natural history, second series
Philip Henry Gosse
813 downloads
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The Nation's River: A report on the Potomac
United States. Department of the Interior
813 downloads
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The Natural History of Wiltshire
John Aubrey
809 downloads
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Commercial Geography
Jacques W. Redway
808 downloads
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Ideen zu einer Physiognomik der Gewächse (German)
Alexander von Humboldt
804 downloads
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The Naturalist in La Plata
W. H. Hudson
803 downloads
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Saguaro National Monument, Arizona
Napier Shelton and Natt N. Dodge
801 downloads
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Flowers of the Southwest Deserts
Natt N. Dodge
801 downloads
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Aspects of nature, in different lands and different climates (Vol. 1 of 2)
Alexander von Humboldt
801 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
800 downloads
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Many-Storied Mountains: The Life of Glacier National Park
Greg Beaumont
799 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
799 downloads
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Fishing Grounds of the Gulf of Maine
Walter H. Rich
798 downloads
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Metabolic Adaptation to Climate and Distribution of the Raccoon Procyon Lotor and Other Procyonidae
John N. Mugaas, John Seidensticker, and Kathleen P. Mahlke-Johnson
797 downloads
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The Training of a Forester
Gifford Pinchot
796 downloads
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Animals' Rights Considered in Relation to Social Progress
Henry S. Salt
793 downloads
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Ragnarok : the Age of Fire and Gravel
Ignatius Donnelly
792 downloads
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Spadacrene Anglica: The English Spa Fountain
Edmund Deane
791 downloads