An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

UIC Class III In-Situ Production of Copper Permit No. R9UIC-AZ3-FY16-1: Excelsior Mining Arizona Inc. Gunnison Copper Project

UIC Area Permit R9UIC-AZ3-FY16-1 and supporting documents for Class III In-Situ Production of Copper: Gunnison Copper Project, Cochise County, Arizona, issued to Excelsior Mining Arizona Inc., Concord Place, Suite 300, 2999 North 44th Street, Phoenix, Arizona 85018.

If you experience a problem reading a document with assistive technology, please contact us.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.