Butte Anaconda & Pacific Railway box cab electric locomotives number 59 and 60 at the engine facility in Anaconda, Montana, on May 19, 1958. Photo by Ron V. Nixon, J.M. Fredrickson Collection. Other Subject Classes: electric locomotive .

Chicago, Milwaukee, St. Paul & Pacific Railroad Company electric locomotive number E-4 at Anaconda, Montana, on April 09, 1960. Milwaukee Road bipolars E-4 and E-1 parked at the engine facility in Anaconda in 1960. Photo by Ron V. Nixon, J.M. Fredrickson collection. Other Subject Classes: electric locomotive, locomotive facility.