Contact: Sandra Hines
shines@uw.edu
206-543-2580
University of Washington

Mark Swanson, Washington State University

Caption: Washington State University's Mark Swanson pulls a tape tight around a 4-foot-wide sugar pine, one of the 34,500 live trees counted and tagged for long-term study in a Yosemite National Park study plot.

Credit: Washington State University

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