Books in Category: Environmental Issues
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Appletons' Popular Science Monthly, February 1899
Various
720 downloads
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Use of tobacco among North American Indians
Ralph Linton
719 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
717 downloads
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Birds and All Nature, Vol. 5, No. 5, May 1899
Various
717 downloads
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The Forests of Mount Rainier National Park
G. F. Allen
716 downloads
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Tableau du climat et du sol des États-Unis d'Amérique
(French)
C.-F. Volney
714 downloads
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The Taleef Shereef; Or, Indian Materia Medica
713 downloads
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Acid Rain and Our Nation's Capital: A Guide to Effects on Buildings and Monuments
E. S. McGee
713 downloads
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Auroræ: Their Characters and Spectra
J. Rand Capron
712 downloads
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Climate and Time in Their Geological Relations
James Croll
712 downloads
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War Gardens: A Pocket Guide for Home Vegetable Growers
Montague Free
712 downloads
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Mosaic of New Mexico's Scenery, Rocks, and History
711 downloads
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The great beach
John Hay
711 downloads
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Great Smoky Mountains National Park, North Carolina and Tennessee
United States. National Park Service
711 downloads
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Millions from Waste
Frederick Arthur Ambrose Talbot
709 downloads
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Coal, and What We Get from It
Raphael Meldola
709 downloads
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Glacier National Park [Montana]
United States. Department of the Interior
708 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
705 downloads
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The Healthy Life, Vol. V, Nos. 24-28
Various
703 downloads
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The Atom and the Ocean
E. W. Seabrook Hull
702 downloads
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Proceedings of the second National Conservation Congress at Saint Paul, September 5-8, 1910
United States. National Conservation Congress
699 downloads
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Arbor Day Leaves
Nathaniel Hillyer Egleston
697 downloads
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The Holy Earth
L. H. Bailey
697 downloads
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A Full Description of the Great Tornado in Chester County, Pa.
Richard Darlington
694 downloads
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Baraboo, Dells, and Devil's Lake Region
Harry Ellsworth Cole
694 downloads