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Natural Resource Year in Review–2005
www.nature.nps.gov/YearInReview
ISSN 1544-5437 (web edition); ISSN 1544-5429 (print edition)

Published by
National Park Service
U.S. Department of the Interior
Natural Resource Program Center
Denver, Colorado, and Washington, DC

D-1755/April 2006

Managing Editor
Jeff Selleck

Planning and Review
Herbert C. Frost
Michael A. Soukup
Mike Whatley

Associate Editors
Betsie Blumberg, cooperator
Lisa Brochu, contractor
Katie KellerLynn, cooperator
Lara Schmit, contractor
Kristina Woodall, contractor

Copyeditor/Proofreader
Lori D. Kranz, contractor

Designed by
Dennis | Konetzka | Design Group, contractor

The National Park Service would like to acknowledge the generous donation of photography used on this publication's home page and in the introductory pages of the print edition by our partners at National Geographic Publications and the National Geographic Image Collection.

The Year in Review is published electronically on the World Wide Web (ISSN 1544-5437) at www.nature.nps.gov/YearInReview.

For a printed copy contact the managing editor by e-mail or write:

Jeff Selleck
National Park Service
NRPC/OEO
P.O. Box 25287
Denver, Colorado 80225-0287

Mention of trade names or commercial products does not constitute endorsement or recommendation for use by the National Park Service.

National Park Service
Director
Fran Mainella

Natural Resource Stewardship and Science
Associate Director
Michael A. Soukup

Deputy Associate Director
Herbert C. Frost

Deputy Chief Scientist
John Dennis

Visiting Chief Social Scientist
James Gramann

Special Assistant for Marine Protection
Gary E. Davis


Natural Resource Program Center
Acting Director, Natural Resource Program Center
Rich Gregory

Chief, Air Resources Division
Christine Shaver

Chief, Biological Resource Management Division
Loyal Mehrhoff

Chief, Environmental Quality Division
Jacob Hoogland

Chief, Geologic Resources Division
Dave Shaver

Chief, Water Resources Division
Bill Jackson

Coordinator, Natural Resource Partnership Program
Diana Maxwell


Suggested Article Citation
Blett, T. 2006. Determining risk of airborne contaminants to western national parks. Page 41 in J. Selleck, editor. Natural Resource Year in Review—2005. Publication D-1755. National Park Service, Denver, Colorado, and Washington, DC.


Related Publications
Readers who find this publication useful may enjoy reading Park Science, a semiannual journal of the National Park Service that links research findings in the natural and social sciences to park natural resource management. Park Science is published online at www.nature.nps.gov/ParkScience.

Cultural resource stewardship issues are explored in NPS publications described at www.cr.nps.gov/linkpubs.htm. In addition to a variety of reports and specialized publications are the periodicals Common Ground: Preserving Our Nation’s Heritage; CRM: The Journal of Heritage Stewardship; and Heritage News, a monthly e-newsletter.

National Park Service, US Department of the Interior, Natural Resource Program Center, Office of Education and Outreach