Plat Map of Milwaukee Road facilities at Butte, Montana, February 25, 1916, Sheet Number 2, Line Segment 714, showing the Butte yard, mainline, Colorado Junction, Butte, Anaconda and Pacific Railway, Northern Pacific interchanges.

Plat Map of Milwaukee Road facilities at Butte, Montana, February 25, 1916, Sheet Number 2, Line Segment 714, showing the Mainline.

Plat Map of Great Northern facilities at Butte, Montana, February 1, 1915, Drawing Number 86971-8, Sheet Number 2, Line Segment 336, showing the Great Falls-Butte line, former right of way, Montana Union RR, industry spurs.

Plat Map of Great Northern facilities at Butte, Montana, February 1, 1915, Drawing Number 86971-8, Sheet Number 1, Line Segment 336, showing the Great Falls-Butte line, Anaconda trackage.

Plat Map of Great Northern facilities at Butte, Montana, September 1, 1933, Drawing Number 56971, Sheet Number 1/Index, Line Segment 336, showing the Great Falls-Butte line, Butte and vicinity.

Northern Pacific steam locomotive 4501 at Butte, Montana, on August 19, 1949. Number 4501 is a class Z-4 built by Alco-Richmond in 1923. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 4501 at Butte, Montana, on August 19, 1949. Number 4501 is a class Z-4 built by Alco-Richmond in 1923. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 4500 at Butte, Montana, on August 19, 1949. Number 4500 is a class Z-4 built by Alco-Richmond in 1923. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 4500 at Butte, Montana, on August 19, 1949. Number 4500 is a class Z-4 built by Alco-Richmond in 1923. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 402 at Butte, Montana, circa 1902. A crew member poses on Number 402, a class D-6 built by Rogers in 1899, at the engine facility. She was formerly St. Paul & Duluth Railroad No. 65. Photo by R.C. Lean, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 36 at Butte, Montana, on August 19, 1949. Number 36, a class Y built by Schenectady in 1898, poses with its rods down at the roundhouse. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roundhouse

Northern Pacific steam locomotive 36 at Butte, Montana, on August 19, 1949. Number 36, a class Y built by Schenectady in 1898, poses with its rods down at the roundhouse. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roundhouse

Northern Pacific steam locomotive 35 at Butte, Montana, on August 19, 1949. Number 35, a class Y built by Schenectady in 1898, is coupled to a Burlington Route stock car in the yard. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, freight yard, stock car

Northern Pacific steam locomotive 35 at Butte, Montana, on August 19, 1949. Number 35, a class Y built by Schenectady in 1898, is coupled to a Burlington Route stock car in the yard. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, freight yard, stock car

Northern Pacific steam locomotive 29 at Butte, Montana, on August 19, 1949. Number 29 was built as a class Y-1 by Schenectady in 1899. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, wood box car, freight yard

Northern Pacific steam locomotive 29 at Butte, Montana, on August 19, 1949. Number 29 was built as a class Y-1 by Schenectady in 1899. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, wood box car, freight yard

Northern Pacific steam locomotive 28 at Butte, Montana, on August 16, 1949. Number 28, a class Y-1 built by Schenectady in 1899, switches a passenger consist. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger car, railroad crew

Northern Pacific steam locomotive 25 at Butte, Montana, on May 09, 1958. Number 25, a class Y-1 built by Schenectady in 1899, is being moved into place on its display track at Butte. Photo by Ron V. Nixon, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, display

Northern Pacific steam locomotive 25 at Butte, Montana, on May 09, 1958. Number 25, a class Y-1 built by Schenectady in 1899, is being moved into place on its display track at Butte. Photo by Ron V. Nixon, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, display

Northern Pacific steam locomotive 23 at Butte, Montana, on August 19, 1949. Number 23, a class Y-1 built by Schenectady in 1899, passes through the yard. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, freight yard

Northern Pacific steam locomotive 1814 at Butte, Montana, on August 19, 1949. Number 1814 is a class W-3 built by Alco-Brooks in 1920. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific station at Butte, Montana, on August 28, 1969. Track side of brick two-story station, people on platform, boy pushing baggage cart. Photo by J.M. Fredrickson . Other Subject Classes: station, people, railroad employee, baggage cart

Northern Pacific type GP9 211 and former Northern Pacific steam locomotive tender being used as water car at Butte, Montana in 1964. Photograph by Alden Raney. Other subject classes: Locomotive-Diesel, Car-Water.

Northern Pacific wood caboose 1209 at Butte, Montana with Union Pacific passenger train in the background in 1964. Photograph by Alden Raney. Other subject classes: Caboose-Wood, Train-Passenger.

Northern Pacific Engineering Drawing: Warehouse for Wilson Motor Company at Butte, Montana, prepared in 1938. Burlington Northern File Number 4989, Reference Number 10103.

Northern Pacific Engineering Drawing: Warehouse for Wilson Motor Company at Butte, Montana, prepared in 1938. Burlington Northern File Number 4989, Reference Number 10103.

Northern Pacific Engineering Drawing: Warehouse for Use of Murray Motor Company at Butte, Montana, prepared in 1941. Burlington Northern File Number 4990, Reference Number 10106, Sheet 003.

Northern Pacific Engineering Drawing: Warehouse for Use of Murray Motor Company at Butte, Montana, prepared in 1941. Burlington Northern File Number 4990, Reference Number 10106, Sheet 004.

Northern Pacific Engineering Drawing: Warehouse for Murray Motor Company at Butte, Montana, prepared in 1941. Burlington Northern File Number 4990, Reference Number 10106, Sheet 001.

Northern Pacific Engineering Drawing: Warehouse for Murray Motor Company at Butte, Montana, prepared in 1941. Burlington Northern File Number 4990, Reference Number 10106, Sheet 002.