Burlington Northern SD40-2 Number 6928, built November 1973; GP20 Number 2015, former Great Northern Number 2015; SD9 , number unknown; near Barnesville, Minnesota with mixed freight on February 20, 1982. Photo by Al Christianson.

Burlington Northern SD40-2 Number 6928, built November 1973; GP20 Number 2015, former Great Northern Number 2015; SD9 , number unknown; near Barnesville, Minnesota with mixed freight on February 20, 1982. Photo by Al Christianson.

Burlington Northern SD40-2 Number 6928 with LOCOTROL antennas, built November 1973; GP20 Number 2015, former Great Northern Number 2015; near Barnesville, Minnesota on February 20, 1982. Photo by Al Christianson.

Burlington Northern SD40-2 Number 6928, built November 1973; GP20 Number 2015, former Great Northern Number 2015; SD9 , number unknown; at Moorhead, Minnesota with mixed freight on February 20, 1982. Second car behind power is former Northern Pacific 40 foot combination door boxcar. Photo by Al Christianson.

Burlington Northern SD40-2 Number 6928, built November 1973; GP20 Number 2015, former Great Northern Number 2015; SD9 , number unknown; near Rothsay, Minnesota with mixed freight on February 20, 1982. Photo by Al Christianson.

Burlington Northern SD40-2 Number 6928, built November 1973; GP20 Number 2015, former Great Northern Number 2015; SD9 , number unknown; at Milepost 17 south of Moorhead, Minnesota on Fergus Falls line with mixed freight on February 20, 1982. Second car behind power is former Northern Pacific 40 foot combination door boxcar. Photo by Al Christianson.

Burlington Northern GP10 Number unknown; GP9 Number unknown; F3A, Number 710, former Spokane, Portland and Seattle Number 801; F9B Number 783, former Northern Pacific Number 6708B; F7B Number 645, former Great Northern Number 314B; F9A Number 794, former Northern Pacific Number 6707A; GP20 Number 2008, former Great Northern Number 2008; in the Breckenridge, Minnesota yard on November 29, 1980. Cargill covered hopper PTLX14770 behind power. Photo by Al Christianson.

Burlington Northern Engineering Drawing: Car Repair Facilities - Union Yard Axle Hold-Down Ring Details at Minneapolis, Minnesota, prepared in 1968. Burlington Northern File Number 9710-10, Reference Number 10101.

Burlington Northern Engineering Drawing: Car Shop - Bridal Veil Proposed Addition to Car Shop at Minneapolis, Minnesota, prepared in 1981. Burlington Northern File Number 9732, Reference Number 10107, Sheet 002.

Burlington Northern Engineering Drawing: Car Shop - Bridal Veil Proposed Addition to Car Shop at Minneapolis, Minnesota, prepared in 1981. Burlington Northern File Number 9732, Reference Number 10107, Sheet 001.

Burlington Northern Engineering Drawing: Car Shop - Bridal Veil Proposed Addition to Car Shop at Minneapolis, Minnesota, prepared in 1981. Burlington Northern File Number 9732, Reference Number 10107, Sheet 003.

Burlington Northern Engineering Drawing: Car Shop - Bridal Veil Proposed Addition to Car Shop at Minneapolis, Minnesota, prepared in 1981. Burlington Northern File Number 9732, Reference Number 10109, Sheet 004.

Burlington Northern Engineering Drawing: Car Shop - Bridal Veil Proposed Addition to Car Shop at Minneapolis, Minnesota, prepared in 1981. Burlington Northern File Number 9732, Reference Number 10109, Sheet 005.

Burlington Northern Engineering Drawing: Car Shop - Bridal Veil Proposed Addition to Car Shop at Minneapolis, Minnesota, prepared in 1981. Burlington Northern File Number 9732, Reference Number 10111, Sheet 006.

Burlington Northern Engineering Drawing: Plan Reference Files, Cross Section and Elevation, Locker, Lunch, Office Building, Brainerd, Minnesota, prepared in 1982. Burlington Northern File Number 1625, Reference Number 10105, Sheet 003.

Burlington Northern Engineering Drawing: Plan Reference Files, Floor Plan and Plumbing, Locker, Lunch, Office Building, Brainerd, Minnesota, prepared in 1982. Burlington Northern File Number 1625, Reference Number 10105, Sheet 001.

Burlington Northern Engineering Drawing: Plan Reference Files, Midway Auto Unloading Foundation, Saint Paul, Minnesota, prepared in 1982. Burlington Northern File Number 1625, Reference Number 10110, Sheet 002.

Burlington Northern Engineering Drawing: Plan Reference Files, Midway Auto Unloading Ramp, Saint Paul, Minnesota prepared in 1982. Burlington Northern File Number 1625, Reference Number 10110, Sheet 001.

Burlington Northern caboose 12097 bringing up the rear of a 34-car freight train at the ex-Great Northern Railway depot looking south at Crookston, Minnesota on September 25, 1976. Photo by Howard Patrick.

Burlington Northern eastbound local train near Willmar, Minnesota on July 25, 1972. Photo by Howard Patrick.

Burlington Northern eastbound local train near Willmar, Minnesota on July 25, 1972. Photo by Howard Patrick.

Burlington Northern heater car number 19 at Minneapolis, Minnesota, on June 21, 1973. This unit was rebuilt from an ex-Great Northern Electro-Motive Division F unit shown at Dale Street, Minnesota. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern computer center at Saint Paul, Minnesota, on June 20, 1973. Photo by J.M. Fredrickson. Other Subject Classes: computer center.

Burlington Northern computer center at Saint Paul, Minnesota, on June 20, 1973. Photo by J.M. Fredrickson. Other Subject Classes: computer center.

Burlington Northern GP10s headed by 1105 with caboose and covered hoppers in Saint Paul, Minnesota on October 12, 1980. Photo by Al Christianson.

Burlington Northern sectionmen winching up rock cars at a quarry in Granite Falls, Minnesota on September 27, 1974. Photo by Howard Patrick.

Burlington Northern sectionmen changing out broken rail at Granite Falls, Minnesota on September 27, 1974. Minnesota Falls Co-op Elevator Association elevator is in the background. The 1969 International Harvester Travelette hi-rail truck carries materials and tools for the repair. Photo by Howard Patrick.

Burlington Northern sectionmen changing out broken rail at Granite Falls, Minnesota on September 27, 1974. The hi-rail truck in the background is a 1969 International Harvester Travelette pickup truck. Photo by Howard Patrick.

Burlington Northern sectionmen winching up rock cars at a quarry in Granite Falls, Minnesota on September 27, 1974. Photo by Howard Patrick.