Books in Category: Environmental Issues
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Cholera and the Water Supply in the South Districts of London in 1854
John Snow
294 downloads
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Great Smoky Mountains National Park, North Carolina and Tennessee
United States. National Park Service
293 downloads
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Natural History of the Salamander, Aneides hardii
Richard F. Johnston and G. A. Schad
292 downloads
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The northern whale-fishery
William Scoresby
291 downloads
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Comparative geography
Carl Ritter
291 downloads
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Big Bend National Park: Land of Dramatic Contrasts and Scenic Grandeur
W. Ray Scott
291 downloads
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Epidemics Examined and Explained: or, Living Germs Proved by Analogy to be a Source of Disease
John Grove
291 downloads
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Memoria sobre o melhoramento da cultura da Beira e da navegação do Mondego (Portuguese)
António de Almeida
290 downloads
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Northern Nut Growers Association Report of the Proceedings at the Twelfth Annual Meeting
289 downloads
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Colonisação de Lourenço Marques: Conferencia feita em 13 de março de 1897 (Portuguese)
Alfredo Augusto Freire de Andrade
289 downloads
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La grande artère de la Chine: le Yangtseu (French)
Joseph Dautremer
289 downloads
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El Morro Trails: El Morro National Monument, New Mexico
Southwest Parks and Monuments Association
288 downloads
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Practical Forestry in the Pacific Northwest
E. T. Allen
288 downloads
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The Mentor: Game Animals of America, Vol. 4, Num. 13, Serial No. 113, August 15, 1916
William T. Hornaday
288 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XII, Heft 4-6 : Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege (German)
287 downloads
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The Mentor: Game Birds of America, Vol. 1, Num. 34, Serial No. 34
Edward Howe Forbush
287 downloads
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Fish Populations, Following a Drought, in the Neosho and Marais des Cygnes Rivers of Kansas
James E. Deacon
287 downloads
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Eiszeit und Klimawechsel (German)
Wilhelm Bölsche
287 downloads
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The Common Nature of Epidemics, and their relation to climate and civilization
Southwood Smith
287 downloads
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The Grand Cañon of the Colorado
John Muir
287 downloads
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The Ocean and Its Wonders
R. M. Ballantyne
286 downloads
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Buxton and its Medicinal Waters
Robert Ottiwell Gifford-Bennet
286 downloads
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Food Habits of the Thrushes of the United States
F. E. L. Beal
284 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
284 downloads
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Comparison of Methods of Sewage Purification
Theodore Clifford Phillips and Edward John Schneider
283 downloads
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