Burlington Northern diesel locomotive 6022 at Saint Paul, Minnesota on April 7, 1981. Number 6022 is an SD7 built by Electro-Motive Division (GM), builder's number 17903. Photo by Al Christianson.

Burlington Northern diesel locomotive 6054 at Saint Paul, Minnesota on March 2, 1981. Number 6054 is an SD7 built by Electro-Motive Division (GM), builder's number 17402. Photo by Al Christianson.

Burlington Northern diesel locomotive 6113, formerly Great Northern 586, at Minneapolis, Minnesota, on August 24, 1972. Number 6113 is an SD9 built by General Motors Electro Motive Division (EMD), builder's number 22488. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 6113, formerly Great Northern 586, at Minneapolis, Minnesota, on August 24, 1972. Number 6113 is an SD9 built by General Motors Electro Motive Division (EMD), builder's number 22488. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 6113 leading a train at Tilden Junction, Minnesota on July 4, 1981. Number 6113 is an SD9 built by Electro-Motive Division (GM), builder's number 22488. Photo by Al Christianson.

Burlington Northern diesel locomotive 6118 at Northtown Yard Minneapolis, Minnesota on February 24, 1981. Number 6118 is an SD9 built by Electro-Motive Division (GM), builder's number 24093. Photo by Al Christianson.

Burlington Northern diesel locomotive 6118, formerly Great Northern 591, at St Paul, Minnesota, on June 19, 1973. Number 6118 is an SD9 built by General Motors Electro Motive Division (EMD), builder's number 24093. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 6119, formerly Great Northern 592, at Minneapolis, Minnesota, on August 24, 1972. Number 6119 is an SD9 built by General Motors Electro Motive Division (EMD), builder's number 24094. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6123 at Willmar, Minnesota on July 26, 1971. Number 6123 is an SD9 built by Electro Motive Division (EMD), builder's number 24098. Photo by Howard Patrick.

Burlington Northern diesel locomotive 624 at Willmar, Minnesota on July 23, 1971. Number 624 is an F7A built by Electro Motive Division (EMD). Photo by Howard Patrick.

Burlington Northern diesel locomotive 6241 leading an extra west arriving on the left at Willmar, Minnesota on June 22, 1974. Number 6241 is an SD24 built by Electro-Motive Division (EMD), builder's number 25198. Photo by Howard Patrick.

Burlington Northern diesel locomotive 6241 leading an extra west arriving at Willmar, Minnesota on June 22, 1974. Number 6241 is an SD24 built by Electro-Motive Division (EMD), builder's number 25198. Photo by Howard Patrick.

Burlington Northern diesel locomotive 6242 leading the Marshall Turn at Granite Falls, Minnesota on September 27, 1974. Number 6242 is an SD24 built by Electro-Motive Division (EMD), builder's number 25199. The Minnesota Falls Co-op Elevator Association is in the background. The 1969 International Harvester Travelette hi-rail pickup truck will be used for track maintenance when the line is clear. Photo by Howard Patrick.

Burlington Northern diesel locomotive 6242 on the Marshall Turn using the crossovers at Granite Falls, Minnesota on September 27, 1974. Number 6242 is an SD24 built by Electro-Motive Division (EMD), builder's number 25199. Photo by Howard Patrick.

Burlington Northern diesel locomotive 6243 with BN 6244 at Minneapolis, Minnesota on February 24, 1981. Number 6243 is an SD24 built by Electro-Motive Division (GM), builder's number 25200. Photo by Al Christianson.

Burlington Northern diesel locomotive 6247 at Minneapolis, Minnesota on February 24, 1981. Number 6247 is an SD24 built by Electro-Motive Division (GM), builder's number 25204. Photo by Al Christianson.

Burlington Northern diesel locomotive 6253 at Minneapolis, Minnesota on April 29, 1977. Number 6253 is an SD24 built by Electro-Motive Division (GM), builder's number 25210. Photo by Jim Shepard.

Burlington Northern diesel locomotive 6328 leading an 88-car freight past the switch tower at Dayton's Bluff in Saint Paul, Minnesota on August 1, 1973. Number 6328 is an SD40-2 built by Electro-Motive Division (EMD), builder's number 5803-4. Photo by Howard Patrick.

Burlington Northern diesel locomotive 6420, formerly Northern Pacific 3620, at Minneapolis, Minnesota, on August 24, 1972. Number 6420 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 33900. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6428, formerly Northern Pacific 3628, at Minneapolis, Minnesota, on August 24, 1972. Number 6428 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 33908. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6434, formerly Great Northern 404, at Minneapolis, Minnesota, on June 21, 1973. Number 6434 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 31602. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, roundhouse.

Burlington Northern diesel locomotive 644 at Brook Park, Minnesota on August 1, 1971. Number 644 is an F7A built by Electro Motive Division (EMD), builder's number 16077. Photo by Howard Patrick.

Burlington Northern diesel locomotive 6452, formerly Great Northern 422, at Minneapolis, Minnesota, on August 24, 1972. Number 6452 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 33789. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6467, formerly Chicago, Burlington and Quincy 526, at St Paul, Minnesota, on June 19, 1973. Number 6467 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 34561. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6472 at Minneapolis, Minnesota, on June 19, 1973. Number 6472 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 36361. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern 6475 is the trailing unit in a train at Dayton's Bluff in Saint Paul, Minnesota on February 26, 1980. Number 6475 is an SD45 built by Electro-Motive Division (EMD), builder's number 36364. Photo by Al Christianson.

Burlington Northern diesel locomotive 6500 at Minneapolis, Minnesota, on June 19, 1973. Number 6500 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 37108. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern 6502 is leading a trailer on flat car (TOFC) train at Minneapolis, Minnesota on Janruary 30, 1981. Number 6502 is an SD45 built by Electro-Motive Division (EMD), builder's number 37110. Photo by Al Christianson.

Burlington Northern diesel locomotive 6507 at Minneapolis, Minnesota, on June 21, 1973. Number 6507 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 37115. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6508 at Minneapolis, Minnesota, on August 24, 1972. Number 6508 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 37116. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.