Copyright (c) 2013 Utah State University All rights reserved. http://digitalcommons.usu.edu/govdocs_pollution Recent documents in Pollution en-us Sun, 27 Jan 2013 04:27:09 PST 3600 http://digitalcommons.usu.edu/govdocs_pollution/1 http://digitalcommons.usu.edu/govdocs_pollution/1 Mon, 18 Jul 2011 13:04:03 PDT This book addresses the relationships between air pollution in the western United States and trends in the growth and condition of Western coniferous forests. The West is defined in this case as the eleven conterminous states of California, Oregon, Washington, Idaho, Nevada, Arizona, New Mexico, Utah, Colorado, Wyoming, and Montana. Approximately one-third of the West is forested, primarily by coniferous forest types.

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