Butte, Anaconda and Pacific Railroad shop buildings at Butte, Montana with former wood caboose used as building in 1964. Photograph by Alden Raney. Other subject classes: Shed-Car.

Butte, Anaconda and Pacific Railroad roundhouse and turntable at Butte, Montana in 1964. Photograph by Alden Raney. Other subject classes: Roundhouse, Turntable.

Butte, Anaconda and Pacific Railroad flat car and other cars and electric locomotives at Butte, Montana in 1964. Photograph by Alden Raney. Other subject classes: Car-Flat.

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

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

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

Butte, Anaconda and Pacific Railroad electric locomotive 64 and one other electric at Butte, Montana in 1964. Photograph by Alden Raney. Other subject classes: Locomotive-Electric.

Butte, Anaconda and Pacific Railroad electric locomotives 63, 53, and 56 as well as type GP9 107 at Butte in 1964. Photograph by Alden Raney. Other subject classes: Locomotive-Electric, Locomotive-Diesel.

Butte, Anaconda and Pacific Railroad electric locomotives 63 and type GP9 106 at Butte, Montana in 1964. Photograph by Alden Raney. Other subject classes: Locomotive-Electric, Locomotive-Diesel.

Butte, Anaconda and Pacific Railroad electric locomotive 56 and other locomotives at shop facilities at Butte, Montana in 1964. Photograph by Alden Raney. Other subject classes: Locomotive-Electric.