Books in Category: Environmental Issues
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Dresden und die Sächsische Schweiz (German)
Sophus Ruge
587 downloads
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Michigan Trees: A Handbook of the Native and Most Important Introduced Species
Charles Herbert Otis
587 downloads
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Ohio Arbor Day 1913: Arbor and Bird Day Manual
586 downloads
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Cape Cod : its natural and cultural history : a guide to Cape Cod National Seashore, Massachusetts
United States. National Park Service. Division of Publications and Robert Finch
579 downloads
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Wild Flowers of Zion and Bryce Canyon National Parks and Cedar Breaks National Monument
Carl E. Jepson and Leland F. Allen
579 downloads
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Millions from Waste
Frederick Arthur Ambrose Talbot
577 downloads
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Desert and water gardens of the Red Sea : Being an account of the natives and the shore formations of the coast
Cyril Crossland
576 downloads
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The Fayûm and Lake Mœris
R. H. Brown
576 downloads
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The Heart of Nature; or, The Quest for Natural Beauty
Sir Francis Edward Younghusband
574 downloads
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Ecological Studies of the Timber Wolf in Northeastern Minnesota
L. David Mech, Louis Daniel Frenzel, Robert R. Ream, John W. Winship, and P. D. Karns
574 downloads
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Euthenics, the science of controllable environment
Ellen H. Richards
572 downloads
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In Beaver World
Enos A. Mills
572 downloads
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Coal, and What We Get from It
Raphael Meldola
571 downloads
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The Natural History of Selborne, Vol. 1
Gilbert White
570 downloads
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Modern Geography
Marion I. Newbigin
567 downloads
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Zion National Park, Utah (1951)
United States. National Park Service
565 downloads
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Tableau du climat et du sol des États-Unis d'Amérique
(French)
C.-F. Volney
565 downloads
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Municipal housecleaning : the methods and experiences of American cities in collecting and disposing of their municipal wastes—ashes, rubbish, garbage, manure, sewage, and street refuse
William Parr Capes and Jeanne Daniels Carpenter
565 downloads
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Mammals of Mount Rainier National Park
Merlin K. Potts and Russell K. Grater
564 downloads
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Food Habits of the Thrushes of the United States
F. E. L. Beal
560 downloads
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Wild Animals of Yellowstone National Park
Harold J. Brodrick
557 downloads
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California: The Land of the Sun
Mary Austin
556 downloads
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Auroræ: Their Characters and Spectra
J. Rand Capron
554 downloads
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Water and power for San Francisco from Hetch-Hetchy Valley in Yosemite National Park
Martin Samuel Vilas
554 downloads
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Golf Architecture: Economy in Course Construction and Green-Keeping
A. Mackenzie
554 downloads