Books in Category: Environmental Issues
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Commercial Geography
Jacques W. Redway
720 downloads
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The Earth as Modified by Human Action
George P. Marsh
713 downloads
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Aspects of nature, in different lands and different climates (Vol. 1 of 2)
Alexander von Humboldt
706 downloads
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A year at the shore
Philip Henry Gosse
705 downloads
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Mammals of the Southwest Mountains and Mesas
George Olin
702 downloads
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Baraboo, Dells, and Devil's Lake Region
Harry Ellsworth Cole
701 downloads
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Cavity-Nesting Birds of North American Forests
Virgil E. Scott, Keith E. Evans, David R. Patton, and Charles P. Stone
701 downloads
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The Natural History of Wiltshire
John Aubrey
700 downloads
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The Beauties of Nature, and the Wonders of the World We Live In
Sir John Lubbock
699 downloads
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The Heart of Nature; or, The Quest for Natural Beauty
Sir Francis Edward Younghusband
694 downloads
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Buffon's Natural History, Volume 01 (of 10)
comte de Georges Louis Leclerc Buffon
689 downloads
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Aspects of nature, in different lands and different climates (Vol. 2 of 2)
Alexander von Humboldt
686 downloads
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Travels into North America, Volume 1 (of 3)
Pehr Kalm
684 downloads
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Millions from Waste
Frederick Arthur Ambrose Talbot
683 downloads
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Life in the Shifting Dunes
Laurence B. White
682 downloads
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The Fight for Conservation
Gifford Pinchot
681 downloads
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Life History and Ecology of the Five-Lined Skink, Eumeces fasciatus
Henry S. Fitch
680 downloads
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Extinct birds : An attempt to unite in one volume a short account of those birds which have become extinct in historical times
Baron Lionel Walter Rothschild Rothschild
679 downloads
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Guatemala, the country of the future
Charles M. Pepper
678 downloads
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Big Bend National Park, Texas
United States. National Park Service. Division of Publications
678 downloads
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On the mode of communication of cholera
John Snow
677 downloads
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Cuba Past and Present
Richard Davey
666 downloads
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The Geologic Story of Palo Duro Canyon
William Henry Matthews
660 downloads
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Research methods in ecology
Frederic E. Clements
659 downloads
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Auroræ: Their Characters and Spectra
J. Rand Capron
657 downloads