Books in Category: Environmental Issues
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Rapport sur une mission botanique exécutée en 1884 dans la région saharienne, au nord des grands chotts et dans les îles de la côte orientale de la Tunisie (French)
Napoléon Doumet-Adanson
363 downloads
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To Choke an Ocean
Jesse F. Bone
362 downloads
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Sewage and sewerage of farm homes [1928]
George M. Warren
361 downloads
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Zion National Park, Utah (1951)
United States. National Park Service
361 downloads
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Sonne und Sterne (German)
M. W. Meyer
360 downloads
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Mammals of the Grand Mesa, Colorado
Sydney Anderson
359 downloads
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Agatized Rainbows: A Story of the Petrified Forest
Harold J. Brodrick
359 downloads
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The Mammals of Warren Woods, Berrien County, Michigan
Lee R. Dice
358 downloads
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Mensch und Erde: Skizzen von den Wechselbeziehungen zwischen beiden (German)
Alfred Kirchhoff
357 downloads
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Food of the Crow, Corvus brachyrhynchos Brehm, in South-central Kansas
Dwight R. Platt
357 downloads
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Parks for the People
Various
357 downloads
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Sewage and Garbage Disposal on the Farm
J. W. Rockey and Joseph Winslow Simons
356 downloads
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Nalakihu-Citadel Trail, Wupatki National Monument, Arizona
Southwest Parks and Monuments Association
355 downloads
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La Terre de Feu d'après le Dr Otto Nordenskjöld (French)
Charles Rabot
355 downloads
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A Guide to Natural Bridges National Monument, Utah
Anonymous
355 downloads
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Report on the New York Botanical Garden
Olmsted Brothers
354 downloads
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The City That Was
Stephen Smith
352 downloads
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Petrified Forest National Monument, Arizona
Dama Margaret Smith
352 downloads
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Preserving Louisiana's Legacy: Everyone Can Help
Nancy W. Hawkins
351 downloads
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Birds and Nature, Vol. 08, No. 5, December 1900
Various
351 downloads
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O Sprawie Glodowej W Galicyi 1866 (Polish)
Karol Langie
351 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band X, Heft 1-3 : Monatsschrift für Heimatschutz und Denkmalpflege (German)
350 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XIII, Heft 3-4 : Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege (German)
350 downloads
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Water and power for San Francisco from Hetch-Hetchy Valley in Yosemite National Park
Martin Samuel Vilas
350 downloads
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Water Power for the Farm and Country Home
David R. Cooper
349 downloads