Books in Category: Environmental Issues
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Geographic Variation in the Pocket Gopher, Thomomys bottae, in Colorado
Phillip M. Youngman
397 downloads
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Petrified Forest National Monument, Arizona
Dama Margaret Smith
396 downloads
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Weather and Folk Lore of Peterborough and District
Charles Dack
396 downloads
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Scientific Essays and Lectures
Charles Kingsley
396 downloads
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The Black Moose in Pennsylvania
Henry W. Shoemaker
396 downloads
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The Geologic Story of Colorado National Monument
Stanley William Lohman
395 downloads
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La grande artère de la Chine: le Yangtseu (French)
Joseph Dautremer
395 downloads
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Mesa Verde: Junior Ranger Booklet
United States. National Park Service
395 downloads
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Yosemite National Park, California
United States. National Park Service
394 downloads
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Lectures on Ventilation
Lewis W. Leeds
394 downloads
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Food in War Time
Graham Lusk
394 downloads
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The giant sequoia : An account of the history and characteristics of the big trees of California
Rodney Sydes Ellsworth
393 downloads
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Official Report of the Exploration of the Queen Charlotte Islands for the Government of British Columbia
Newton H. Chittenden
393 downloads
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Alaska (Icelandic)
Jón Ólafsson
393 downloads
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Natural History of the Salamander, Aneides hardii
Richard F. Johnston and G. A. Schad
393 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
392 downloads
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Noteworthy Mammals from Sinaloa, Mexico
Ticul Alvarez, J. Knox Jones, and M. Raymond Lee
392 downloads
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An Assessment of the Consequences and Preparations for a Catastrophic California Earthquake: Findings and Actions Taken
United States. Federal Emergency Management Agency
391 downloads
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The Forests of Mount Rainier National Park
G. F. Allen
391 downloads
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The Rocky Mountain Goat
Madison Grant
391 downloads
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A Dialogue upon the Gardens of the Right Honorouble the Lord Viscount Cobham at Stow in Buckinghamshire
William Gilpin
389 downloads
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Atlas de poche des mammifères de la France, de la Suisse romane et de la Belgique
(French)
René Martin
389 downloads
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Birds Found on the Arctic Slope of Northern Alaska
James W. Bee
389 downloads
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South America
Gardiner G. Hubbard
389 downloads
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The Kingdom of Man
Sir E. Ray Lankester
388 downloads