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.

The Tri-Bullian Smelting and Development Company

Collection includes ore settlement records for zinc ore shipped from Starlight and Kelly Mines; general ledger of Tri-Bullion S. & D. Company; four sketch maps of Nitt mine; carbon copies of letters from Tri- Bullion to customers, 1908-1917; and minutes from a 1949 meeting of its board of directors.