University of Arizona

Certain collections will be inaccessible from March 20-May 5 as we improve our shelving. Contact us to plan a research visit.

Andrew Ellicott Douglass at his desk in his lab office

Andrew Ellicott Douglass at his desk in his lab office

Photograph of Andrew Ellicott Douglass working at his desk in the Laboratory of Tree-Ring Research, beneath the University of Arizona Football stadium.