University of Arizona

Students, faculty, staff, and the public are now welcome to visit Special Collections without an appointment from 9 am to 4 pm, Monday through Friday. 

Special Collections will close at 12 pm on Monday, December 5th for the event Satellites: bringing an astronomy archive to the stage.

Report on the Cyclopic Group at Gold Basin, in Gold Basin District (Mohave County, Ariz.): the property of the Anglo-Arizona Mining & Milling Company (Denver, Co.), 1896 Dec. 7

The collection contains a typescript with holograph assay chart relating to the Cyclopic group at the Gold Basin District in Mohave County, AZ. Included are photos of the Village of White Hills with mines and dumps, and the mill at White Hills. Also includes a portrait ofThomas Tonge, owner of Thomas Tonge and Mining Co.