Books in Category: Environmental Issues
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Proceedings of the second National Conservation Congress at Saint Paul, September 5-8, 1910
United States. National Conservation Congress
795 downloads
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Agate Fossil Beds National Monument, Nebraska
United States. National Park Service
782 downloads
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A Report on Washington Territory
William Henry Ruffner
779 downloads
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Climate and Health in Hot Countries and the Outlines of Tropical Climatology
George Michael James Giles
770 downloads
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Research methods in ecology
Frederic E. Clements
769 downloads
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Western Himalaya and Tibet
Thomas Thomson
757 downloads
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The Geographical Distribution of Animals, Volume 2
Alfred Russel Wallace
756 downloads
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Deutsche Nordseeküste: Friesische Inseln und Helgoland. (German)
Hippolyt Julius Haas
753 downloads
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ASCE 1193: The Water-Works and Sewerage of Monterrey, N. L., Mexico
G. R. G. Conway
746 downloads
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Nature Mysticism
John Edward Mercer
746 downloads
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Bird-Lore, March-April 1916
Various
739 downloads
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Wild Animals of North America
Edward William Nelson
736 downloads
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Missions au Sahara, tome 1 : Sahara algérien (French)
E. F. Gautier
734 downloads
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Berkshire
Horace Woollaston Monckton
728 downloads
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Ideen zu einer Physiognomik der Gewächse (German)
Alexander von Humboldt
726 downloads
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Whales, dolphins, and porpoises of the western North Atlantic : a guide to their identification
Stephen Leatherwood, David K. Caldwell, and Howard Elliott Winn
720 downloads
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The Healthy Life, Vol. V, Nos. 24-28
Various
718 downloads
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African Nature Notes and Reminiscences
Frederick Courteney Selous
718 downloads
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The Municipal and Sanitary Engineer's Handbook
H. Percy Boulnois
711 downloads
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Scientific Essays and Lectures
Charles Kingsley
709 downloads
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The Geographical Distribution of Animals, Volume 1
Alfred Russel Wallace
705 downloads
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The Natural History of Selborne
Gilbert White
705 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
704 downloads
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A Guide to the Mount's Bay and the Land's End
John Ayrton Paris
704 downloads
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Mother Earth, Vol. 1 No. 1, March 1906
Various
702 downloads