Books in Category: Environmental Issues
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Yosemite National Park, California
United States. National Park Service
499 downloads
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Wild Animals of Yellowstone National Park
Harold J. Brodrick
498 downloads
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Street Trees
Furman Lloyd Mulford
495 downloads
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Saguaro National Monument, Arizona
Napier Shelton and Natt N. Dodge
493 downloads
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The Rural Magazine, and Literary Evening Fire-Side, Vol. 1 No. 09 (1820)
Various
491 downloads
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The Underworld of Oregon Caves National Monument
Roger J. Contor
490 downloads
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Ecological Observations on the Woodrat, Neotoma floridana
Dennis G. Rainey and Henry S. Fitch
488 downloads
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Pohjoisnavalta päiväntasaajalle: Helppotajuisia esitelmiä (Finnish)
Alfred Edmund Brehm
486 downloads
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The Story of the Hills: A Book About Mountains for General Readers.
H. N. Hutchinson
485 downloads
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Life in the Shifting Dunes
Laurence B. White
485 downloads
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By Canadian Streams
Lawrence J. Burpee
485 downloads
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Worldwide Effects of Nuclear War: Some Perspectives
United States. Arms Control and Disarmament Agency
484 downloads
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Report of the Sanitary Committee of the Commissioners of Sewers of the City of London, together with a report of the Medical Officer of Health on the objections raised by the Butchers' Trade Society to the bye-laws proposed for the regulation of slaughter-houses
W. Sedgwick Saunders and City of London . Commissioners of Sewers. Sanitary Committee
483 downloads
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Illustrated Catalogue of a Portion of the Collections Made During the Field Season of 1881
William Henry Holmes
482 downloads
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Atoms, Nature, and Man: Man-made Radioactivity in the Environment
Neal O. Hines
478 downloads
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The Past Condition of Organic Nature
Thomas Henry Huxley
478 downloads
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La grande artère de la Chine: le Yangtseu (French)
Joseph Dautremer
477 downloads
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Whale Primer, with Special Attention to the California Gray Whale
Theodore J. Walker
475 downloads
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Volcanoes
Robert I. Tilling
475 downloads
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Description of a plan for the improvement of the Central Park
Frederick Law Olmsted and Calvert Vaux
474 downloads
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War Gardens: A Pocket Guide for Home Vegetable Growers
Montague Free
473 downloads
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The House Fly and How to Suppress It
L. O. Howard and F. C. Bishopp
473 downloads
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Wood Wanderings
Winthrop Packard
473 downloads
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Birds and All Nature, Vol. 4, No. 6, December 1898
Various
472 downloads
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Birds and All Nature, Vol. 6, No. 3, October 1899
Various
469 downloads