Books in Category: Environmental Issues
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Sewage and sewerage of farm homes [1922]
George M. Warren
201 downloads
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Observations on the Mississippi Kite in Southwestern Kansas
Henry S. Fitch
199 downloads
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The Washington Peace Carillon
James Marion Shull
198 downloads
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Agatized Rainbows: A Story of the Petrified Forest
Harold J. Brodrick
198 downloads
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Beautiful Birds
Edmund Selous
198 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
198 downloads
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Soil and Water Pollution : Presented to the American Public Health Association at New Orleans, Dec. 1880
M. T. Runnels
198 downloads
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Wild Animals of Yellowstone National Park
Harold J. Brodrick
197 downloads
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Preserving Louisiana's Legacy: Everyone Can Help
Nancy W. Hawkins
197 downloads
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The Deluge in the Light of Modern Science: A Discourse
William Denton
196 downloads
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Études sur la flore du Sénégal (French)
Joseph Vallot
196 downloads
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Fishes of the Wakarusa River in Kansas
James E. Deacon and Artie L. Metcalf
196 downloads
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Conservation Archaeology of the Richland/Chambers Dam and Reservoir
L. Mark Raab and Randall W. Moir
195 downloads
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The Holy Earth
L. H. Bailey
194 downloads
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Wood Wanderings
Winthrop Packard
193 downloads
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A Guide to Natural Bridges National Monument, Utah
Anonymous
193 downloads
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Report of the Sanitary Committee of the Commissioners of Sewers of the City of London, together with a report of the Medical Officer of Health on the objections raised by the Butchers' Trade Society to the bye-laws proposed for the regulation of slaughter-houses
W. Sedgwick Saunders and City of London . Commissioners of Sewers. Sanitary Committee
192 downloads
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For the Birds
U.S. Fish and Wildlife Service
192 downloads
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El Campesino Puertorriqueño
(Spanish)
Francisco del Valle Atiles
191 downloads
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The Protection of Fresh-Water Mussels
R. E. Coker
190 downloads
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Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado
Charles L. Douglas
189 downloads
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The farm and the woodlot
J. E. Barton
189 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band X, Heft 1-3 : Monatsschrift für Heimatschutz und Denkmalpflege (German)
189 downloads
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Petrified Forest National Monument, Arizona
Dama Margaret Smith
188 downloads
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Natural History of the Salamander, Aneides hardii
Richard F. Johnston and G. A. Schad
188 downloads
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