Books in Category: Environmental Issues
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Life in the Shifting Dunes
Laurence B. White
475 downloads
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Mammals of the San Gabriel Mountains of California
Terry A. Vaughan
474 downloads
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The flow of time in the Connecticut valley : geological imprints
George W. Bain and Howard A. Meyerhoff
474 downloads
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Great Smoky Mountains National Park, North Carolina and Tennessee
United States. National Park Service
473 downloads
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Poisonous Dwellers of the Desert
Natt N. Dodge
472 downloads
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Barometer and Weather Guide
472 downloads
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The Game-Birds of the Coasts and Lakes of the Northern States of America
Robert Barnwell Roosevelt
471 downloads
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Birds and All Nature, Vol. 5, No. 5, May 1899
Various
470 downloads
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The evolution of climate
C. E. P. Brooks
470 downloads
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The mighty deep : and what we know of it
Agnes Giberne
469 downloads
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Climate and Time in Their Geological Relations
James Croll
468 downloads
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Our Nuclear Future: Facts, Dangers and Opportunities
Edward Teller and Albert L. Latter
468 downloads
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Volcanoes
Robert I. Tilling
468 downloads
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Killing for Sport: Essays by Various Writers
467 downloads
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Use of tobacco among North American Indians
Ralph Linton
467 downloads
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Forest Trees and Forest Scenery
G. Frederick Schwarz
466 downloads
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The Grand Cañon of the Colorado
John Muir
465 downloads
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Birds and All Nature, Vol. 4, No. 6, December 1898
Various
464 downloads
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Descripción Geografica, Histórica y Estadística de Bolivia, Tomo 1. (Spanish)
Alcide Dessalines d' Orbigny
464 downloads
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Tableau du climat et du sol des États-Unis d'Amérique
(French)
C.-F. Volney
463 downloads
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Botanical features of the Algerian Sahara
William Austin Cannon
462 downloads
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Minnesota; Its Character and Climate
Ledyard Bill
461 downloads
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Scientific Essays and Lectures
Charles Kingsley
461 downloads
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Grand Teton: A Guide to Grand Teton National Park, Wyoming
United States. National Park Service
461 downloads
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House Rats and Mice
David E. Lantz
460 downloads