Matthew Salzer and Jim Parks, University of Arizona, and Gary Braasch (IMAGE)
Caption
University of Arizona tree-ring researcher Matthew Salzer (L) examines a small piece of dead remnant bristlecone. He, Jim Parks, also of UA's Laboratory of Tree-Ring Research (center) and photographer Gary Braasch (R) are on Sheep Mountain in the White Mountains of California.
Credit
The photo "Tree-ring Research on Sheep Mountain" by Malcolm K. Hughes may only be used to illustrate a story about the research described in the accompanying news release, "Ancient High-Altitude Trees Grow Faster as Temperatures Rise." The credit must appear with the photo.
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The photo
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