Books in Category: Environmental Issues
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Checking the Waste: A Study in Conservation
Mary Huston Gregory
582 downloads
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Oudewater en omtrek, Geologisch, Mythologisch en Geschiedkundig Geschetst (Dutch)
Willem Cornelis van Zijll
581 downloads
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Spadacrene Anglica: The English Spa Fountain
Edmund Deane
578 downloads
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Northern Nut Growers Association, Report Of The Proceedings At The Tenth Annual Meeting.
573 downloads
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Scientific American Supplement, No. 520, December 19, 1885
Various
569 downloads
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The School Book of Forestry
Charles Lathrop Pack
568 downloads
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War Gardens: A Pocket Guide for Home Vegetable Growers
Montague Free
566 downloads
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Appletons' Popular Science Monthly, November 1898
Various
566 downloads
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The Story of a Piece of Coal: What It Is, Whence It Comes, and Whither It Goes
Edward A. Martin
564 downloads
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A History of Southern Utah and Its National Parks (Revised)
Angus M. Woodbury
563 downloads
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Deadly Adulteration and Slow Poisoning Unmasked
Anonymous
563 downloads
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Angola and the River Congo, vol. 2
Joachim John Monteiro
560 downloads
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In Beaver World
Enos A. Mills
560 downloads
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The Food Question: Health and Economy
Various
558 downloads
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Deutsche Nordseeküste: Friesische Inseln und Helgoland. (German)
Hippolyt Julius Haas
557 downloads
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The Ocean and Its Wonders
R. M. Ballantyne
557 downloads
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The Theory of Environment
Armin Hajman Koller
556 downloads
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Lectures on popular and scientific subjects
14th earl of James Sinclair Caithness
555 downloads
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Appletons' Popular Science Monthly, February 1899
Various
555 downloads
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The BYU Solar Cooker/Cooler
Steven E. Jones
554 downloads
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The Vivisectors' Directory
554 downloads
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California: The Land of the Sun
Mary Austin
554 downloads
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Birds and All Nature, Vol. 4, No. 3, September 1898
Various
552 downloads
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Bird Day; How to prepare for it
Charles Almanzo Babcock
549 downloads
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Coal, and What We Get from It
Raphael Meldola
549 downloads