The Berkeley Pit is a former open pit copper mine in the western United States, located in Butte, Montana. It is one mile long by one-half mile wide, with an approximate maximum depth of 1,780 feet. I
Berkeley Pit (center) and Yankee Doodle Tailings Pond (upper left) with terraced levels/access roadways. The city of Butte is at lower right.
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.