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 .

Builder's photo of Butte Anaconda & Pacific Railway steam locomotive number 20, a Baldwin 4-6-0 at Philadelphia, Pennsylvania, circa 1912. Photo by Baldwin Locomotive Works, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, builder's photo.

Butte, Anaconda and Pacific Railroad wood box car 94 at Butte, Montana in 1964. Photograph by Alden Raney. Other subject classes: Car-Box Wood.

Butte, Anaconda and Pacific Railroad wood box car 42 converted to use as catenary repair car in 1964. Photograph by Alden Raney. Other subject classes: Car-Line.

Butte, Anaconda and Pacific Railroad electric locomotives 201 and 202 at Butte, Montana in 1964. Photograph by Alden Raney. Other subject classes: Locomotive-Electric.

Butte, Anaconda and Pacific Railroad electric locomotives 201, 44, 51, and two others at Butte, Montana in 1964. Photograph by Alden Raney. Other subject classes: Locomotive-Electric.

Butte, Anaconda and Pacific Railroad electric locomotives 45 and 54 at Butte, Montana in 1964. Photograph by Alden Raney. Other subject classes: Locomotive-Electric.

Butte, Anaconda and Pacific Railroad electric locomotive 46 at Butte, Montana in 1964. Photograph by Alden Raney. Other subject classes: Locomotive-Electric.

Butte, Anaconda and Pacific Railroad electric locomotive 46 at Butte, Montana in 1964. Photograph by Alden Raney. Other subject classes: Locomotive-Electric.

Butte, Anaconda and Pacific Railroad electric locomotive 46 at Rocker, Montana in 1964. Photograph by Alden Raney. Other subject classes: Locomotive-Electric.