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U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5187

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Acknowledgments

The authors thank the city of Salem for cooperative funding, and city of Salem employees Libby Barg, Jason Pulley, Tim Sherman, and Henry Wujcik for providing valuable technical expertise and field assistance. We also thank David Klug and Doug Shank of the U.S. Forest Service, Detroit and Sweet Home Ranger Districts, for their technical leadership and field assistance. Others within the U.S. Geological Survey who assisted in the collection of samples or who contributed their considerable technical skills included Amy Brooks, Joseph Rinella, Stewart Rounds, Annett Sullivan, and John Williams.

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