Books in Category: Environmental Issues
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Whales, dolphins, and porpoises of the western North Atlantic : a guide to their identification
Stephen Leatherwood, David K. Caldwell, and Howard Elliott Winn
618 downloads
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Travels into North America, Volume 1 (of 3)
Pehr Kalm
617 downloads
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A year at the shore
Philip Henry Gosse
614 downloads
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Common trees of Pennsylvania
Joseph E. Ibberson, A. B. Mickalitis, J. E. Aughenbaugh, and C. L. Morris
614 downloads
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The Ohio naturalist, Vol. 1, No. 3, January, 1901
Ohio State University. Biological Club
607 downloads
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Rural Hygiene
Henry N. Ogden
607 downloads
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Ideen zu einer Physiognomik der Gewächse (German)
Alexander von Humboldt
605 downloads
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The Theory of Environment
Armin Hajman Koller
603 downloads
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On the mode of communication of cholera
John Snow
597 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
595 downloads
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Hampshire Days
W. H. Hudson
590 downloads
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Nature Mysticism
John Edward Mercer
590 downloads
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The Fayûm and Lake Mœris
R. H. Brown
588 downloads
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The Chickamauga Dam and its environs
Robert Sparks Walker
583 downloads
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Cave Regions of the Ozarks and Black Hills
Luella Agnes Owen
581 downloads
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The ivory king : A popular history of the elephant and its allies
Charles Frederick Holder
580 downloads
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Mosaic of New Mexico's Scenery, Rocks, and History
579 downloads
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Botanical features of the Algerian Sahara
William Austin Cannon
578 downloads
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The Flower-Fields of Alpine Switzerland: An Appreciation and a Plea
G. Flemwell
577 downloads
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Millions from Waste
Frederick Arthur Ambrose Talbot
576 downloads
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Weather proverbs
H. H. C. Dunwoody
575 downloads
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De afsluiting en droogmaking der Zuiderzee. Weerlegging van bezwaren.
(Dutch)
A. A. Beekman
570 downloads
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Angola and the River Congo, vol. 2
Joachim John Monteiro
569 downloads
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Northern Nut Growers Association, Report Of The Proceedings At The Tenth Annual Meeting.
567 downloads
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The Geologic Story of Arches National Park
Stanley William Lohman
566 downloads
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