The Anaconda Copper Mining Company, known as the Amalgamated Copper Company from 1899 to 1915, was an American mining company headquartered in Butte, Montana. It was one of the largest trusts of the early 20th century and one of the largest mining companies in the world for much of the 20th century.
The victory labor-management production committee of the Butte mines, September 1942. In the back row from left to right are: J.A. Livingston, Anaconda Copper Mining Company; E.I. Renouard, assistant general superintendent, ACM; H.J. Rahilly, assistant general superintendent, ACM; Charles Black, Butte miners' union; John Downs, boiler makers' union; W.J. McMahon, commissioner of labor of ACM; John F. Bird, electricians' union; J.P. Ryan, foreman of ACM; Ira Steck, superintendent, electrical department of ACM; James Cusick, machinists' union; John J. Mickelson, Butte miners' union; Eugene Hogan, superintendent ACM. In the front row reading from left to right are: E.S. McGlone, general superintendent, ACM; Bert Riley, Butte miners' union; Dennis McCarthy, Butte miners' union; A.C. Bigley, ACM; Carl Stenberg, painters' union; John Eathorne, foreman of ACM; John Gaffney, carpenters' union.