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David Federhar

David Federhar

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Mari Jensen

Mari Jensen

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Donna Mac

Donna Mac

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Barbara Mansfield portrait.

Barbara Mansfield

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Kit Palter

Kit Palter

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Randall Smith portrait

Randall Smith

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Laboratory of Tree-Ring Research
The University of Arizona

Bryant Bannister Tree-Ring Building
1215 E. Lowell Street
Tucson, AZ 85721-0045

Tel: (520) 621-1608 Email: office@ltrr.arizona.edu

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We respectfully acknowledge the University of Arizona is on the land and territories of Indigenous peoples. Today, Arizona is home to 22 federally recognized tribes, with Tucson being home to the O’odham and the Yaqui. The university strives to build sustainable relationships with sovereign Native Nations and Indigenous communities through education offerings, partnerships, and community service.

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