Books in Category: Environmental Issues (sorted alphabetically by author)
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The Geologic Story of Palo Duro Canyon
William Henry Matthews
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The History of Badlands National Monument and the White River (Big) Badlands of South Dakota
Ray H. Mattison and Robert A. Grom
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Forest Trees of Texas: How to Know Them
Wilbur R. Mattoon and C. B. Webster
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Wind and Weather
Alexander McAdie
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Acid Rain and Our Nation's Capital: A Guide to Effects on Buildings and Monuments
E. S. McGee
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Ancient Landscapes of the Grand Canyon Region
Edwin D. McKee
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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
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Coal, and What We Get from It
Raphael Meldola
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Nature Mysticism
John Edward Mercer
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Barrier beaches of the Atlantic coast
Frederick J. H. Merrill
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Sonne und Sterne (German)
M. W. Meyer
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In Beaver World
Enos A. Mills
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Your National Parks, with Detailed Information for Tourists
Enos A. Mills and Laurence Frederick Schmeckebier
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Aboriginal Remains in Verde Valley, Arizona
Cosmos Mindeleff
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Report of the committee appointed to investigate the causes and extent of the late extraordinary sickness and mortality in the town of Mobile
Mobile . Committee on Causes and Extent of the Late Extraordinary Sickness and Mortality in the Town
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Berkshire
Horace Woollaston Monckton
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Angola and the River Congo, vol. 2
Joachim John Monteiro
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Why I Am a Vegetarian
J. Howard Moore
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Metabolic Adaptation to Climate and Distribution of the Raccoon Procyon Lotor and Other Procyonidae
John N. Mugaas, John Seidensticker, and Kathleen P. Mahlke-Johnson
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Our National Parks
John Muir
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The Grand Cañon of the Colorado
John Muir
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Cruise of the Revenue-Steamer Corwin in Alaska and the N.W. Arctic Ocean in 1881: Botanical Notes
John Muir
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Street Trees
Furman Lloyd Mulford
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Mammals of Mount McKinley National Park
Adolph Murie
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Down with the Cities!
Tadashi Nakashima
