Books in Category: Environmental Issues
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The Holy Earth
L. H. Bailey
512 downloads
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Illustrated Catalogue of a Portion of the Collections Made During the Field Season of 1881
William Henry Holmes
511 downloads
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Cape Cod : its natural and cultural history : a guide to Cape Cod National Seashore, Massachusetts
United States. National Park Service. Division of Publications and Robert Finch
506 downloads
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The Geologic Story of Yellowstone National Park
William R. Keefer
506 downloads
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Tea Leaves
Francis H. Leggett & Co.
505 downloads
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The Farm That Won't Wear Out
Cyril G. Hopkins
502 downloads
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Australasia
A. J. Sargent
501 downloads
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Saguaro National Monument, Arizona
Napier Shelton and Natt N. Dodge
501 downloads
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The Diatomaceæ of Philadelphia and Vicinity
Charles S. Boyer
500 downloads
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Municipal housecleaning : the methods and experiences of American cities in collecting and disposing of their municipal wastes—ashes, rubbish, garbage, manure, sewage, and street refuse
William Parr Capes and Jeanne Daniels Carpenter
499 downloads
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The Dwelling House
George Vivian Poore
499 downloads
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Report on the lands of the arid region of the United States, with a more detailed account of the lands of Utah
John Wesley Powell, Grove Karl Gilbert, Clarence E. Dutton, A. H. Thompson, and Willis Drummond
495 downloads
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Life in the Shifting Dunes
Laurence B. White
494 downloads
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Arbor Day Leaves
Nathaniel Hillyer Egleston
493 downloads
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Some Common Birds Useful to the Farmer (1915 edition)
F. E. L. Beal
493 downloads
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Conservation Through Engineering
Franklin K. Lane
491 downloads
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The House Fly and How to Suppress It
L. O. Howard and F. C. Bishopp
491 downloads
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The Rocky Mountain Goat
Madison Grant
491 downloads
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House Rats and Mice
David E. Lantz
490 downloads
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Hygeia, a City of Health
Benjamin Ward Richardson
489 downloads
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The Migration of North American Birds (1935)
Frederick Charles Lincoln
488 downloads
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Aboriginal Remains in Verde Valley, Arizona
Cosmos Mindeleff
487 downloads
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Aboriginal American Weaving
Mary Lois Kissell
485 downloads
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Climate and Health in Hot Countries and the Outlines of Tropical Climatology
George Michael James Giles
485 downloads
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Natural History of the Salamander, Aneides hardii
Richard F. Johnston and G. A. Schad
484 downloads