Books in Category: Environmental Issues
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Natural History of the Salamander, Aneides hardii
Richard F. Johnston and G. A. Schad
398 downloads
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The Geologic Story of Colorado National Monument
Stanley William Lohman
397 downloads
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Catania (Italian)
Federico De Roberto
397 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
397 downloads
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Birds and All Nature, Vol. 4, No. 4, October 1898
Various
395 downloads
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Auroræ: Their Characters and Spectra
J. Rand Capron
395 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
394 downloads
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Poisonous Dwellers of the Desert
Natt N. Dodge
394 downloads
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The flow of time in the Connecticut valley : geological imprints
George W. Bain and Howard A. Meyerhoff
393 downloads
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Food Habits of the Thrushes of the United States
F. E. L. Beal
393 downloads
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Official Report of the Exploration of the Queen Charlotte Islands for the Government of British Columbia
Newton H. Chittenden
391 downloads
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Tea Leaves
Francis H. Leggett & Co.
391 downloads
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Études sur la flore du Sénégal (French)
Joseph Vallot
390 downloads
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Birds Found on the Arctic Slope of Northern Alaska
James W. Bee
390 downloads
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Worldwide Effects of Nuclear War: Some Perspectives
United States. Arms Control and Disarmament Agency
390 downloads
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Our national forests : a short popular account of the work of the United States Forest service on the national forests
Richard H. D. Boerker
389 downloads
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The Kingdom of Man
Sir E. Ray Lankester
389 downloads
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Food in War Time
Graham Lusk
388 downloads
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Sonne und Sterne (German)
M. W. Meyer
388 downloads
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Practical Methods of Sewage Disposal for Residences, Hotels and Institutions
Henry N. Ogden and H. Burdett Cleveland
387 downloads
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A Report upon the Mollusk Fisheries of Massachusetts
Massachusetts. Commissioners on Fisheries and Game and David Lawrence Belding
386 downloads
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Descripción Geografica, Histórica y Estadística de Bolivia, Tomo 1. (Spanish)
Alcide Dessalines d' Orbigny
386 downloads
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El Campesino Puertorriqueño
(Spanish)
Francisco del Valle Atiles
386 downloads
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The Salton Sea: An account of Harriman's fight with the Colorado River
George Kennan
385 downloads
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Histoire d'une Montagne (French)
Elisée Reclus
383 downloads
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