University of Arizona

                                             Special Collections will be closed December 20, 2023 through January 1, 2024 in observance of the University Holiday break.

Mining Map

Mining Map showing portion of U.S. and Northern Mexico's important railroads and smelting conters

Elgin Bryce Holt Report
Special Collections at the University of Arizona Libraries
© Arizona Board of Regents for The University of Arizona

Land Acknowledgement

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. Committed to diversity and inclusion, the University strives to build sustainable relationships with sovereign Native Nations and Indigenous communities through education offerings, partnerships, and community service.