Books in Category: Environmental Issues
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Mammoth Hot Springs Area: Yellowstone National Park
Anonymous
381 downloads
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The Underworld of Oregon Caves National Monument
Roger J. Contor
378 downloads
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A Full Description of the Great Tornado in Chester County, Pa.
Richard Darlington
377 downloads
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Birds and All Nature, Vol. 4, No. 2, August 1898
Various
376 downloads
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Observations on the Mississippi Kite in Southwestern Kansas
Henry S. Fitch
376 downloads
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Dirty Dustbins and Sloppy Streets
H. Percy Boulnois
375 downloads
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Volcanoes
Robert I. Tilling
374 downloads
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Sanitation of Mofussil Bazaars
G. W. Disney
373 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
372 downloads
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Zwischen Pol und Äquator: Tiergeographische Lebensbilder (German)
Kurt Floericke
372 downloads
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Practical Forestry in the Pacific Northwest
E. T. Allen
371 downloads
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La Terre de Feu d'après le Dr Otto Nordenskjöld (French)
Charles Rabot
370 downloads
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The Plague at Marseilles Consider'd
Richard Bradley
370 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XV, Heft 3-4 : Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege (German)
368 downloads
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Waterfowl Identification Guide
Central Flyway Council
368 downloads
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Het Yellowstone-Park (Dutch)
Hugo de Vries
367 downloads
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Description of a plan for the improvement of the Central Park
Frederick Law Olmsted and Calvert Vaux
367 downloads
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For the Birds
U.S. Fish and Wildlife Service
366 downloads
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The National Geographic Magazine, Vol. I., No. 4, October, 1889
Various
366 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XIII, Heft 1-2 : Monatsschrift für Heimatschutz und Denkmalpflege (German)
366 downloads
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Use of tobacco among North American Indians
Ralph Linton
365 downloads
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The Chickamauga Dam and its environs
Robert Sparks Walker
364 downloads
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Our Common Land (and Other Short Essays)
Octavia Hill
363 downloads
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Preserving Louisiana's Legacy: Everyone Can Help
Nancy W. Hawkins
362 downloads
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Sewage Disposal on the Farm, and Protection of Drinking Water
Theobald Smith
362 downloads