Books in Category: Environmental Issues
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The Geologic Story of Colorado National Monument
Stanley William Lohman
260 downloads
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Earthquakes
Kaye M. Shedlock and L. C. Pakiser
260 downloads
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The Mentor: Game Birds of America, Vol. 1, Num. 34, Serial No. 34
Edward Howe Forbush
260 downloads
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The Vailan or annular theory: A synopsis of Prof. I. N. Vail's argument in support of the claim that this Earth once possessed a Saturn-like system of rings
Stephen Bowers
260 downloads
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Birds Illustrated by Color Photography, Vol. 3, No. 4.
Various
259 downloads
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Montezuma National Forest, Colorado (1939)
United States. Forest Service. Rocky Mountain Region
259 downloads
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The Common Nature of Epidemics, and their relation to climate and civilization
Southwood Smith
258 downloads
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Ecological Studies of the Timber Wolf in Northeastern Minnesota
L. David Mech, Louis Daniel Frenzel, Robert R. Ream, John W. Winship, and P. D. Karns
258 downloads
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Seventeen Species of Bats Recorded from Barro Colorado Island, Panama Canal Zone
E. Raymond Hall and William B. Jackson
257 downloads
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The House Fly and How to Suppress It
L. O. Howard and F. C. Bishopp
256 downloads
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Birds and All Nature, Vol. 5, No. 5, May 1899
Various
256 downloads
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Climate and Time in Their Geological Relations
James Croll
255 downloads
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The Past Condition of Organic Nature
Thomas Henry Huxley
255 downloads
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The Game-Birds of the Coasts and Lakes of the Northern States of America
Robert Barnwell Roosevelt
255 downloads
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Report on the Migration of Birds in the Spring and Autumn of 1881. Third Report
J. A. Harvie-Brown, John Cordeaux, P. M. C. Kermode, Richard Manliffe Barrington, and Alexander Goodman More
255 downloads
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Tonto Cliff Dwellings Guide: Tonto National Monument, Arizona
United States. National Park Service and Southwest Parks and Monuments Association
255 downloads
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Sand dunes story
Donna P. Bessken
254 downloads
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The Tusayan ritual : A study on the influence of environment on aboriginal cults
Jesse Walter Fewkes
252 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
252 downloads
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The Dwelling House
George Vivian Poore
250 downloads
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Sketches in Duneland
Earl H. Reed
250 downloads
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Sewage and sewerage of farm homes [1928]
George M. Warren
250 downloads
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Mammals of the San Gabriel Mountains of California
Terry A. Vaughan
250 downloads
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The Deluge in the Light of Modern Science: A Discourse
William Denton
249 downloads
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Dirty Dustbins and Sloppy Streets
H. Percy Boulnois
249 downloads
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