Books in Category: Environmental Issues
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Practical Forestry in the Pacific Northwest
E. T. Allen
515 downloads
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Volcanoes of the United States
Steven R. Brantley
514 downloads
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Sonne und Sterne (German)
M. W. Meyer
513 downloads
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Observations on the Mississippi Kite in Southwestern Kansas
Henry S. Fitch
513 downloads
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Cornwall
S. Baring-Gould
513 downloads
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Alaska (Icelandic)
Jón Ólafsson
511 downloads
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Our Nuclear Future: Facts, Dangers and Opportunities
Edward Teller and Albert L. Latter
510 downloads
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Renlighet och frisk luft (Swedish)
Hjalmar Öhrvall
510 downloads
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Weather and Folk Lore of Peterborough and District
Charles Dack
510 downloads
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Reise in die Aequinoctial-Gegenden des neuen Continents. Band 4. (German)
Alexander von Humboldt
509 downloads
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Our Common Land (and Other Short Essays)
Octavia Hill
508 downloads
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To Choke an Ocean
Jesse F. Bone
507 downloads
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Memoria sobre o melhoramento da cultura da Beira e da navegação do Mondego (Portuguese)
António de Almeida
506 downloads
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The Rural Magazine, and Literary Evening Fire-Side, Vol. 1 No. 06 (1820)
Various
504 downloads
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Food in War Time
Graham Lusk
503 downloads
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Sand dunes story
Donna P. Bessken
503 downloads
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Fishes of the Wakarusa River in Kansas
James E. Deacon and Artie L. Metcalf
503 downloads
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The Black Moose in Pennsylvania
Henry W. Shoemaker
503 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
502 downloads
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In Het Rijk van Vulcaan (Dutch)
R. A. van Sandick
502 downloads
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Tea Leaves
Francis H. Leggett & Co.
501 downloads
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Junior Park Ranger Program: Montezuma Castle and Tuzigoot National Monuments
United States. National Park Service
501 downloads
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The swamp was upside down
Murray Leinster
497 downloads
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The Great Thames Barrage
Thomas Walter Barber
495 downloads
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The Common Nature of Epidemics, and their relation to climate and civilization
Southwood Smith
494 downloads