Books in Category: Environmental Issues
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Tonto Cliff Dwellings Guide: Tonto National Monument, Arizona
United States. National Park Service and Southwest Parks and Monuments Association
342 downloads
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Natural Bridges National Monument (1954)
United States. National Park Service
342 downloads
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Information for the Guidance of Field Men and Cooperators of the Bureau of Biological Survey Engaged in the Control of Injurious Rodents and Predatory Animals
Stanley Paul Young and Paul G. Redington
339 downloads
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Rodent Control Aided by Emergency Conservation Work
Stanley Paul Young
339 downloads
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Cruise of the Revenue-Steamer Corwin in Alaska and the N.W. Arctic Ocean in 1881: Botanical Notes
John Muir
339 downloads
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The Mammals of Washtenaw County, Michigan
Norman Asa Wood
339 downloads
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Volcanoes of the United States
Steven R. Brantley
338 downloads
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The Grand Cañon of the Colorado
John Muir
337 downloads
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An Essay on the Encroachments of the German Ocean Along the Norfolk Coast
William Hewitt
335 downloads
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The BYU Solar Cooker/Cooler
Steven E. Jones
334 downloads
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The Glamour of the Arctic
Arthur Conan Doyle
334 downloads
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茶經 (Chinese)
Yu Lu
333 downloads
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Great Testimony against scientific cruelty
Stephen Coleridge
333 downloads
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Polarforskningen (Swedish)
A. G. Nathorst
333 downloads
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The Mentor: The Story of Coal, vol. 6, Num. 6, Serial No. 154, May 1, 1918
Charles Fitzhugh Talman
332 downloads
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The swamp was upside down
Murray Leinster
332 downloads
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Seventeen Species of Bats Recorded from Barro Colorado Island, Panama Canal Zone
E. Raymond Hall and William B. Jackson
330 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XI, Heft 1-3 : Monatsschrift für Heimatschutz und Denkmalpflege (German)
330 downloads
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Wayside Sketches in Tasmania
S. H. Wintle
330 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XIV, Heft 3-4 : Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege (German)
328 downloads
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Burton Island State Park: Guide to the Interpretive Nature Trail and Hiking Trail
Stephen Antil
327 downloads
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The Common Nature of Epidemics, and their relation to climate and civilization
Southwood Smith
327 downloads
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In het Balkanbergland van Bulgarije
(Dutch)
L. de Launay
327 downloads
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Report of the Sanitary Committee of the Commissioners of Sewers of the City of London, together with a report of the Medical Officer of Health on the objections raised by the Butchers' Trade Society to the bye-laws proposed for the regulation of slaughter-houses
W. Sedgwick Saunders and City of London . Commissioners of Sewers. Sanitary Committee
326 downloads
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Crater Lake National Park, Oregon (1958)
United States. National Park Service
325 downloads