Books in Category: Environmental Issues
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Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3
Alexander von Humboldt and Aimé Bonpland
1224 downloads
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Proceedings [of the] fourth National Conservation Congress [at] Indianapolis, October 1-4, 1912
United States. National Conservation Congress
1217 downloads
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Hygiene: a manual of personal and public health (New Edition)
Sir Arthur Newsholme
1208 downloads
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Proceedings of the second National Conservation Congress at Saint Paul, September 5-8, 1910
United States. National Conservation Congress
1205 downloads
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Villages of the Algonquian, Siouan, and Caddoan Tribes West of the Mississippi
David I. Bushnell
1198 downloads
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Our National Parks
John Muir
1194 downloads
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Bird Guide: Land Birds East of the Rockies, from Parrots to Bluebirds
Chester A. Reed
1188 downloads
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Birds useful and birds harmful
J. A. Owen and Ottó Herman
1168 downloads
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Mammals of Mesa Verde National Park, Colorado
Sydney Anderson
1163 downloads
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Climate and Health in Hot Countries and the Outlines of Tropical Climatology
George Michael James Giles
1159 downloads
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A supplementary report on the results of a special inquiry into the practice of interment in towns.
Edwin Chadwick
1155 downloads
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The Game Fish, of the Northern States and British Provinces
Robert Barnwell Roosevelt
1137 downloads
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A Report on Washington Territory
William Henry Ruffner
1100 downloads
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Discoveries in Australia, Volume 2
John Lort Stokes
1084 downloads
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The Storm-Cloud of the Nineteenth Century
John Ruskin
1079 downloads
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Big Bend National Park, Texas
United States. National Park Service. Division of Publications
1051 downloads
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Aspects of nature, in different lands and different climates (Vol. 1 of 2)
Alexander von Humboldt
1029 downloads
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The useful trees of northern Nigeria
Hugh Vandervaes Lely
1028 downloads
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Berkshire
Horace Woollaston Monckton
1025 downloads
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The ivory king : A popular history of the elephant and its allies
Charles Frederick Holder
1023 downloads
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Animals' Rights Considered in Relation to Social Progress
Henry S. Salt
1021 downloads
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Extinct birds : An attempt to unite in one volume a short account of those birds which have become extinct in historical times
Baron Lionel Walter Rothschild Rothschild
1008 downloads
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Whales, dolphins, and porpoises of the western North Atlantic : a guide to their identification
Stephen Leatherwood, David K. Caldwell, and Howard Elliott Winn
1001 downloads
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The Fight for Conservation
Gifford Pinchot
1000 downloads
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The Healthy Life, Vol. V, Nos. 24-28
Various
996 downloads