Books in Category: Environmental Issues
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Millions from Waste
Frederick Arthur Ambrose Talbot
670 downloads
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Auroræ: Their Characters and Spectra
J. Rand Capron
668 downloads
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Mammals of the Southwest Mountains and Mesas
George Olin
666 downloads
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The Nation's River: A report on the Potomac
United States. Department of the Interior
662 downloads
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Cave Regions of the Ozarks and Black Hills
Luella Agnes Owen
656 downloads
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Animals' Rights Considered in Relation to Social Progress
Henry S. Salt
654 downloads
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Mosaic of New Mexico's Scenery, Rocks, and History
654 downloads
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Aspects of nature, in different lands and different climates (Vol. 2 of 2)
Alexander von Humboldt
651 downloads
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African Nature Notes and Reminiscences
Frederick Courteney Selous
649 downloads
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Climatic Changes: Their Nature and Causes
Ellsworth Huntington and Stephen Sargent Visher
644 downloads
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The Natural History of Selborne, Vol. 1
Gilbert White
632 downloads
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Ragnarok : the Age of Fire and Gravel
Ignatius Donnelly
631 downloads
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The Story of the Hills: A Book About Mountains for General Readers.
H. N. Hutchinson
630 downloads
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Agate Fossil Beds National Monument, Nebraska
United States. National Park Service
628 downloads
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The Healthy Life, Vol. V, Nos. 24-28
Various
625 downloads
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Cuba Past and Present
Richard Davey
624 downloads
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Berkshire
Horace Woollaston Monckton
621 downloads
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Landscape in History, and Other Essays
Archibald Geikie
621 downloads
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The Storm
Daniel Defoe
620 downloads
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Histoire d'un ruisseau (French)
Elisée Reclus
620 downloads
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The dawn of astronomy
Sir Norman Lockyer
619 downloads
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The Municipal and Sanitary Engineer's Handbook
H. Percy Boulnois
618 downloads
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Fishing Grounds of the Gulf of Maine
Walter H. Rich
617 downloads
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Flowers of the Southwest Deserts
Natt N. Dodge
615 downloads
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Weather proverbs
H. H. C. Dunwoody
611 downloads