Burlington Northern 8034 leading a train on Stone Arch Bridge in Minneapolis, Minnesota on July 19, 1980. Number 8034 is a SD40-2 built by the Electro-Motive Division of General Motors (EMD), builder's number 786216-4. Photo by Al Christianson.

Burlington Northern diesel locomotive 2010 leading Train 191 in Granite Falls, Minnesota on December 29, 1971. Number 2010 is a GP20 built by Electro-Motive Division (EMD), builder's number 25571. Photo by Howard Patrick.

Burlington Northern 7066 leading coal train on Stone Arch Bridge in Minneapolis, Minnesota on December 26, 1979. Number 7066 is an SD40-2 built by Electro-Motive Division (EMD), builder's number 776057-4. Photo by Al Christianson.

Burlington Northern 7066 leading coal train on Stone Arch Bridge in Minneapolis, Minnesota on December 26, 1979. Number 7066 is an SD40-2 built by Electro-Motive Division (EMD), builder's number 776057-4. Photo by Al Christianson.

Burlington Northern 7893 leading train at Saint Paul, MInnesota on October 12, 1980. Number 7893 is a SD40-2 built by Electro-Motive Division (EMD), builder's number 786173-66. Owned by the Colorado & Southern. Photo by Al Christianson.

Burlington Northern 7893 leading train at Saint Paul, MInnesota on October 12, 1980. Number 7893 is a SD40-2 built by Electro-Motive Division (EMD), builder's number 786173-66. Owned by the Colorado & Southern. Photo by Al Christianson.

Burlington Northern 7904 leading coal train on Stone Arch Bridge in Minneapolis, MInnesota on January 31, 1981. Number 7904 is a SD40-2 built by Electro-Motive Division (EMD), builder's number 786173-77. Owned by the Colorado & Southern (C&S), formerly Milwaukee Road. Photo by Al Christianson.

Burlington Northern 7909 leading train on Stone Arch Bridge in Minneapolis, MInnesota on October 6, 1980. Number 7909 is a SD40-2 built by Electro-Motive Division (EMD), builder's number 786173-82. Owned by the Colorado & Southern (C&S). Photo by Al Christianson.

Burlington Northern 7909 leading train on Stone Arch Bridge in Minneapolis, MInnesota on October 6, 1980. Number 7909 is a SD40-2 built by Electro-Motive Division (EMD), builder's number 786173-82. Owned by the Colorado & Southern (C&S). Photo by Al Christianson.

Burlington Northern 7930 leading train in Minneapolis, Minnesota on February 10, 1982. Number 7930 is a SD40-2 built by Electro-Motive Division (EMD), builder's number 786252-63. Owned by the Colorado & Southern (C&S). Photo by Al Christianson.

Burlington Northern 8001 leading train on Stone Arch Bridge in Minneapolis, Minnesota on May 7, 1981. Number 8001 is a SD40-2 built by Electro-Motive Division (EMD), builder's number 766025-2. Photo by Al Christianson.

Burlington Northern 8034 leading train in Minneapolis, Minnesota on July 19, 1980. Number 8034 is a SD40-2 built by Electro-Motive Division (EMD), builder's number 786216-4. Photo by Al Christianson.

Burlington Northern GP10 Number 1413, former Burlington Northern Number 1513 rebuilt October 1974 from former Great Northern GP7 Number 613; with westbound local freight crossing the Mississippi River bridge at Saint Cloud, Minnesota on June 7, 1981. Cars in sequence behind the engine are Potash Corporation of Saskatchewan covered hopper, unidentified gray covered hopper, Great Northern double plug door boxcar, Burlington Northern offset double door boxcar from Pacific Car & Foundary series 222550-222949, Southern Railway covered hopper, Rio Grande 4-bay open hopper. Photo by Al Christianson.

Burlington Northern GP10 Number 1413 leads a manifest across the Mississippi River at Saint Cloud, Minnesota on June 7, 1981. Photo by Al Christianson.

Burlington Northern GP5 Number 1355, former Great Northern Number 905; 3 unidentified F units in Fergus Falls, Minnesota on September 20, 1980. Photo by Al Christianson.

Burlington Northern GP5 Number 1355, two unidentified FB locomotives and an unidentified FA locomotive cross the Otter Tail river on a plate girder bridge at Fergus Falls, Minnesota on September 20, 1980. Photo by Al Christianson.

Burlington Northern GP5 Number 1355, former Great Northern Number 905; F7B Number 717, former Northern Pacific Number 6009B; F7B Number 645, former Great Northern Number 314B; F7A number unknown; with freight in Fergus Falls, Minnesota on September 20, 1980. Photo by Al Christianson.

Burlington Northern westbound Train Number 7 Zephyr on the Stone Arch Bridge in Minneapolis, Minnesota on April 24, 1971. Photo by Howard Patrick.

Burlington Northern westbound intermodal train Number 23 crossing the Stone Arch Bridge over the Mississippi River at Saint Anthony Falls in Minniapolis, Minnesota on October 14, 1980. Photo by AL Christianson

Great Northern Railway extra train at Minneapolis, Minnesota in 1967. Train 27, Western Star, on Stone Arch Bridge in Minneapolis, Minnesota; all orange consist. Other subject classes: Bridge, Locomotive

Great Northern Railway local freight Train Number 405 with 4 F-units crossing West Channel bridge at Minneapolis, Minnesota in 1967. Other subject classes: Bridge,

Great Northern Railway Train 19, Gopher, at Holyoke, Minnesota in 1967. Train 19, Gopher, on trestle at Holyoke, Minnesota. Other subject classes: Bridge

Great Northern Railway Train 24, Badger, on stone arch bridge in Minneapolis, Minnesota in 1969. Other subject classes: Bridge

Great Northern Railway Train 27 at Minneapolis, Minnesota in 1967. Extra train -- Board of Directors special on Stone Arch Bridge; entire train visible. Other subject classes: Bridge

Great Northern Railway Train 3, Dakotan, on stone arch bridge in Minneapolis, Minnesota in 1969. Other subject classes: Bridge

Great Northern Railway Train 3, Dakotan, on stone arch bridge at Minneapolis, Minnesota in 1969. Other subject classes: Bridge

Great Northern Railway Train 8, Winnipeg Limited, leaving Minneapolis, Minnesota on stone arch bridge in 1969. Other subject classes: Bridge

Great Northern Railway Train Number 32 Empire Builder leaving Minneapolis on stone arch bridge in 1969. Other subject classes: Bridge

Great Northern Railway Western Star no 27 on stone arch bridge leaving Minneapolis, Minnesota depot in 1969. Other subject classes: Bridge

Meet between Great Northern Railway trains 23 and 509 at Askov, Minnesota in 1967 with Class E7-A number 509 and Class SD-9 number 574. Big Sky Blue color scheme.