Books in Category: Environmental Issues
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Mammals of Mesa Verde National Park, Colorado
Sydney Anderson
377 downloads
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Descripción Geografica, Histórica y Estadística de Bolivia, Tomo 1. (Spanish)
Alcide Dessalines d' Orbigny
376 downloads
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The northern whale-fishery
William Scoresby
376 downloads
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Northern Nut Growers Association Report of the Proceedings at the Twelfth Annual Meeting
375 downloads
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Conservation Archaeology of the Richland/Chambers Dam and Reservoir
L. Mark Raab and Randall W. Moir
375 downloads
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Report on the Migration of Birds in the Spring and Autumn of 1882. Fourth Report
J. A. Harvie-Brown, John Cordeaux, Richard Manliffe Barrington, and Alexander Goodman More
374 downloads
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Wind and Weather
Alexander McAdie
374 downloads
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Collectanea de Diversis Rebus: Addresses and Papers
Sir Peter Eade
374 downloads
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Aboriginal American Weaving
Mary Lois Kissell
373 downloads
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Bryce Canyon National Park, Utah (1952)
United States. National Park Service
372 downloads
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Acid Rain and Our Nation's Capital: A Guide to Effects on Buildings and Monuments
E. S. McGee
371 downloads
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The Coming Ice Age
C. A. M. Taber
371 downloads
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A Dialogue upon the Gardens of the Right Honorouble the Lord Viscount Cobham at Stow in Buckinghamshire
William Gilpin
370 downloads
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A year among the trees : or, the woods and by-ways of New England
Wilson Flagg
368 downloads
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Glaciers and Glaciation in Glacier National Park
James L. Dyson
366 downloads
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Water Power for the Farm and Country Home
David R. Cooper
360 downloads
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The Farm That Won't Wear Out
Cyril G. Hopkins
358 downloads
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Petrified Forest National Monument, Arizona
Dama Margaret Smith
358 downloads
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Coral and Coral Reefs
Thomas Henry Huxley
356 downloads
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Montezuma National Forest, Colorado (1939)
United States. Forest Service. Rocky Mountain Region
355 downloads
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Noteworthy Mammals from Sinaloa, Mexico
Ticul Alvarez, J. Knox Jones, and M. Raymond Lee
354 downloads
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The City That Was
Stephen Smith
354 downloads
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Crater Lake National Park, Oregon (1938)
United States. National Park Service
353 downloads
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Trees of the Forest: Their Beauty and Use
Anonymous
352 downloads
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The Kingdom of Man
Sir E. Ray Lankester
352 downloads