William Frederick Cody (1846-1917), better known as Buffalo Bill, was an American scout and showman who operated Buffalo Bill's Wild West Show and other business ventures starting from 1883. The Campo Bonito Mine, Oracle, AZ. was owned by the Cody-Dyer Arizona Mining and Milling Company. Partners were Cody and Col. J.E. Dyer; Ernest J. Ewing was the manager.
The collection includes correspondence, photographs, financial records, and legal papers relating to operations at the Campo Bonito Mine. Chiefly correspondence between Cody and Ernest J. Ewing concerning mine operations. Also includes other business letters, financial records, legal papers, and photographs of Cody, Dyer, and Campo Bonito.