Books in Category: Environmental Issues
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XII, Heft 4-6 : Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege (German)
456 downloads
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Petrified Forest National Monument (1953)
United States. National Park Service
454 downloads
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Oudewater en omtrek, Geologisch, Mythologisch en Geschiedkundig Geschetst (Dutch)
Willem Cornelis van Zijll
453 downloads
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Wupatki Ruins Trail, Wupatki National Monument
Southwest Parks and Monuments Association
453 downloads
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Report on the Migration of Birds in the Spring and Autumn of 1881. Third Report
J. A. Harvie-Brown, John Cordeaux, P. M. C. Kermode, Richard Manliffe Barrington, and Alexander Goodman More
452 downloads
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Crater Lake National Park, Oregon (1958)
United States. National Park Service
452 downloads
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Zwischen Pol und Äquator: Tiergeographische Lebensbilder (German)
Kurt Floericke
450 downloads
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The Mentor: Game Animals of America, Vol. 4, Num. 13, Serial No. 113, August 15, 1916
William T. Hornaday
450 downloads
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Remarks on the management, or rather, the mis-management of woods, plantations, and hedge-row timber
J. West
449 downloads
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Lajien synty: Luonnollisen valinnan kautta (Finnish)
Charles Darwin
447 downloads
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Sanitation of Mofussil Bazaars
G. W. Disney
447 downloads
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The Great Round World and What Is Going On In It, Vol. 1, No. 49, October 14, 1897
Various
446 downloads
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The Salmon Fishery of Penobscot Bay and River in 1895-96
Hugh M. Smith
442 downloads
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The Geology of Calvin Coolidge State Forest
Harry W. Dodge
441 downloads
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Epidemics Examined and Explained: or, Living Germs Proved by Analogy to be a Source of Disease
John Grove
438 downloads
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Rodent Control Aided by Emergency Conservation Work
Stanley Paul Young
437 downloads
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Barrier beaches of the Atlantic coast
Frederick J. H. Merrill
436 downloads
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»Meine Brüder im stillen Busch, in Luft und Wasser« (German)
Martin Braess
433 downloads
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De drooglegging der Zuiderzee. Het plan J. Ulehake contra het plan C. Lely (Dutch)
J. Ulehake
430 downloads
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The Washington Peace Carillon
James Marion Shull
429 downloads
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Nalakihu-Citadel Trail, Wupatki National Monument, Arizona
Southwest Parks and Monuments Association
426 downloads
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Mammals of Mount McKinley National Park
Adolph Murie
423 downloads
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Preserving Louisiana's Legacy: Everyone Can Help
Nancy W. Hawkins
420 downloads
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Els aucells més útils a la agricultura de Catalunya (Catalan)
Emili Tarré
420 downloads
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The Great Mississippi Flood of 1874: Its Extent, Duration, and Effects
Louis Alfred Wiltz
419 downloads