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U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5178

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Acknowledgments

The authors thank the City of Salem, Oregon, for providing support and guidance. Special thanks to Hank Wujcik of the City of Salem, and David Klug and Douglas Shank of the U.S. Forest Service for their field assistance and for supplying helpful data; this study could not have been done without them. We would like to give additional thanks to Rosana Costello of the U.S. Forest Service and Jodi Kroon of the Oregon Department of Forestry for supplying GIS data and aerial photos. Others within the U.S. Geological Survey who assisted in the collection of samples and who contributed their considerable technical skills that we would like to thank include David Piatt, Joseph Rinella, Stewart Rounds, and John Williams. Additional thanks to Jackie Olson for her assistance in illustration design and graphics, and to James O’Connor and Casey Lee for reviewing this document.

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