Books in Category: Environmental Issues
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The flow of time in the Connecticut valley : geological imprints
George W. Bain and Howard A. Meyerhoff
281 downloads
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The Coming Ice Age
C. A. M. Taber
279 downloads
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The Great Thames Barrage
Thomas Walter Barber
279 downloads
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The Holy Earth
L. H. Bailey
278 downloads
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Colonisação de Lourenço Marques: Conferencia feita em 13 de março de 1897 (Portuguese)
Alfredo Augusto Freire de Andrade
277 downloads
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The City That Was
Stephen Smith
277 downloads
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Earthquakes
Kaye M. Shedlock and L. C. Pakiser
276 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XIII, Heft 1-2 : Monatsschrift für Heimatschutz und Denkmalpflege (German)
276 downloads
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An inquiry into the propagation of contagious poisons, by the atmosphere : as also into the nature and effects of vitiated air, its forms and sources, and other causes of pestilence : with directions for avoiding the action of contagion, and observations on some means for promoting public health
Somerville Scott Alison
276 downloads
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Natural History of the Salamander, Aneides hardii
Richard F. Johnston and G. A. Schad
276 downloads
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Birds and Nature, Vol. 08, No. 5, December 1900
Various
276 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
275 downloads
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The farm and the woodlot
J. E. Barton
274 downloads
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Nalakihu-Citadel Trail, Wupatki National Monument, Arizona
Southwest Parks and Monuments Association
274 downloads
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The Underworld of Oregon Caves National Monument
Roger J. Contor
274 downloads
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Comparison of Methods of Sewage Purification
Theodore Clifford Phillips and Edward John Schneider
274 downloads
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Draft of a Plan for Beginning Animal Sanctuaries in Labrador
William Wood
273 downloads
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Information for the Guidance of Field Men and Cooperators of the Bureau of Biological Survey Engaged in the Control of Injurious Rodents and Predatory Animals
Stanley Paul Young and Paul G. Redington
273 downloads
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Ferns of Hawaii National Park
Douglass H. Hubbard
273 downloads
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Sanctuary: A Bird Masque
Percy MacKaye
272 downloads
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Studies of Birds Killed in Nocturnal Migration
Harrison Bruce Tordoff and Robert Morrow Mengel
272 downloads
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Sonne und Sterne (German)
M. W. Meyer
272 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XI, Heft 7-9 : Monatsschrift für Heimatschutz und Denkmalpflege (German)
272 downloads
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The Mentor: The Story of Coal, vol. 6, Num. 6, Serial No. 154, May 1, 1918
Charles Fitzhugh Talman
271 downloads
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South America
Gardiner G. Hubbard
269 downloads
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