Books in Category: Environmental Issues
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The Underworld of Oregon Caves National Monument
Roger J. Contor
385 downloads
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De afsluiting en droogmaking der Zuiderzee. Weerlegging van bezwaren.
(Dutch)
A. A. Beekman
384 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
382 downloads
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Mammoth Hot Springs Area: Yellowstone National Park
Anonymous
382 downloads
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Big Bend National Park: Land of Dramatic Contrasts and Scenic Grandeur
W. Ray Scott
382 downloads
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Observations on the Mississippi Kite in Southwestern Kansas
Henry S. Fitch
381 downloads
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La Terre de Feu d'après le Dr Otto Nordenskjöld (French)
Charles Rabot
381 downloads
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The giant sequoia : An account of the history and characteristics of the big trees of California
Rodney Sydes Ellsworth
380 downloads
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The National Geographic Magazine, Vol. I., No. 4, October, 1889
Various
380 downloads
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Transactions of the American Society of Civil Engineers, Vol. LXX, Dec. 1910
A. Kempkey
380 downloads
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Supplement to Animal Sanctuaries in Labrador
William Wood
380 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XV, Heft 3-4 : Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege (German)
378 downloads
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Coyotes in Their Economic Relations
David E. Lantz
377 downloads
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Sanitation of Mofussil Bazaars
G. W. Disney
377 downloads
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Noteworthy Mammals from Sinaloa, Mexico
Ticul Alvarez, J. Knox Jones, and M. Raymond Lee
376 downloads
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Quo vadimus? : Some glimpses of the future
E. E. Fournier d'Albe
375 downloads
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Geographic Variation in the Pocket Gopher, Thomomys bottae, in Colorado
Phillip M. Youngman
375 downloads
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Road Guide to Lassen Volcanic National Park
Paul E. Schulz
374 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XIII, Heft 1-2 : Monatsschrift für Heimatschutz und Denkmalpflege (German)
374 downloads
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The Plague at Marseilles Consider'd
Richard Bradley
374 downloads
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An Assessment of the Consequences and Preparations for a Catastrophic California Earthquake: Findings and Actions Taken
United States. Federal Emergency Management Agency
373 downloads
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The Black Moose in Pennsylvania
Henry W. Shoemaker
373 downloads
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Description of a plan for the improvement of the Central Park
Frederick Law Olmsted and Calvert Vaux
373 downloads
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Sewage Disposal on the Farm, and Protection of Drinking Water
Theobald Smith
372 downloads
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Use of tobacco among North American Indians
Ralph Linton
371 downloads