Books in Category: Environmental Issues
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The Protection of Fresh-Water Mussels
R. E. Coker
310 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XII, Heft 10-12 : Monatsschrift für Heimatschutz und Denkmalpflege (German)
309 downloads
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Tonto Cliff Dwellings Guide: Tonto National Monument, Arizona
United States. National Park Service and Southwest Parks and Monuments Association
309 downloads
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Lajien synty: Luonnollisen valinnan kautta (Finnish)
Charles Darwin
308 downloads
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Cumberland Island: Junior Ranger Program Activity Guide for Ages 5-7
United States. National Park Service
307 downloads
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Cactus Forest Drive, Saguaro National Monument
Anonymous
306 downloads
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The Plague at Marseilles Consider'd
Richard Bradley
304 downloads
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Wayside Sketches in Tasmania
S. H. Wintle
304 downloads
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The City That Was
Stephen Smith
304 downloads
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Remarks on the management, or rather, the mis-management of woods, plantations, and hedge-row timber
J. West
304 downloads
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Freak trees of the State of New York
Gurth Adelbert Whipple
303 downloads
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Soil and Water Pollution : Presented to the American Public Health Association at New Orleans, Dec. 1880
M. T. Runnels
302 downloads
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Sewage and sewerage of farm homes [1928]
George M. Warren
302 downloads
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The Rural Magazine, and Literary Evening Fire-Side, Vol. 1 No. 06 (1820)
Various
300 downloads
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O Sprawie Glodowej W Galicyi 1866 (Polish)
Karol Langie
300 downloads
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The farm and the woodlot
J. E. Barton
299 downloads
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The Sanitary Condition of the Poor in Relation to Disease, Poverty, and Crime
Benson Baker
299 downloads
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Études sur la flore du Sénégal (French)
Joseph Vallot
296 downloads
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Report of the committee appointed to investigate the causes and extent of the late extraordinary sickness and mortality in the town of Mobile
Mobile . Committee on Causes and Extent of the Late Extraordinary Sickness and Mortality in the Town
296 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XIII, Heft 1-2 : Monatsschrift für Heimatschutz und Denkmalpflege (German)
294 downloads
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Memoria sobre o melhoramento da cultura da Beira e da navegação do Mondego (Portuguese)
António de Almeida
293 downloads
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Polarforskningen (Swedish)
A. G. Nathorst
291 downloads
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Colonisação de Lourenço Marques: Conferencia feita em 13 de março de 1897 (Portuguese)
Alfredo Augusto Freire de Andrade
290 downloads
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The Great Thames Barrage
Thomas Walter Barber
289 downloads
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Water pollution—Wells
Irving A. Watson
289 downloads