American Freedom Train steam locomotive X4449 (4-8-4) westbound at Atwater, Minnesota on August 31, 1975. Photo by Howard Patrick.

American Freedom Train steam locomotive X4449 (4-8-4) westbound at Atwater, Minnesota on August 31, 1975. Photo by Howard Patrick.

American Freedom Train steam locomotive X4449 (4-8-4) in yard at station in Willmar, Minnesota on August 31, 1975. Photo by Howard Patrick.

American Freedom Train steam locomotive X4449 (4-8-4) in yard at station in Willmar, Minnesota on August 31, 1975. Photo by Howard Patrick.

Amtrak diesel locomotive 406, an E9A SN 21602 former Milwaukee 30C and 200C at Minneapolis, Minnesota on June 19, 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 406, an E9A SN 21602 former Milwaukee 30C and 200C at Minneapolis, Minnesota on June 19, 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Atchison Topeka & Santa Fe diesel locomotive 2877 leading a westbound freight train under Bridge 341 at Granite Falls, Minnesota on September 13, 1998. 2877 is a GP35u built by General Motors Electro-Motive Division (EMD), builder's number 30091. Photo taken by Howard Patrick.

Atchison Topeka & Santa Fe diesel locomotive 5108 at Willmar, Minnesota on November 16, 1990. 5108 is an SD40-2 built by General Motors Electro-Motive Division (EMD), builder's number 786219-38. Photo taken by Howard Patrick.

Atchison Topeka & Santa Fe diesel locomotive 5391 at Willmar, Minnesota on November 16, 1990. 5391 is an SD45u built by General Motors Electro-Motive Division (EMD), builder's number 35013. Photo taken by Howard Patrick.

Atchison Topeka & Santa Fe diesel locomotive 5391 at Willmar, Minnesota on November 16, 1990. 5391 is an SD45u built by General Motors Electro-Motive Division (EMD), builder's number 35013. Photo taken by Howard Patrick.

Atchison Topeka & Santa Fe diesel locomotive 5391 at Willmar, Minnesota on November 16, 1990. 5391 is an SD45u built by General Motors Electro-Motive Division (EMD), builder's number 35013. Photo taken by Howard Patrick.

Atchison Topeka & Santa Fe diesel locomotive 620 at Willmar, Minnesota on September 3, 1998. 620 is a C44-9W built by General Electric (GE), builder's number 47694. Montana Rail Link 330 is an SD45-2. built by General Motors Electro-Motive Division (EMD), builder's number 35770. Photo taken by Howard Patrick.

Atchison Topeka & Santa Fe diesel locomotive 825 is the trailing unit on eastbound coal train in Willmar, Minnesota on September 24, 1994. 825 is a C40-8W built by General Electric (GE), builder's number 46954. Photo by Howard Patrick.

Atchison Topeka & Santa Fe diesel locomotive 857 leading an eastbound grain train in Clara City, Minnesota on August 17, 1997. 857 is a C40-8W built by General Electric (GE), builder's number 46986. Photo by Howard Patrick.

Atchison Topeka & Santa Fe diesel locomotive 857 leading an eastbound grain train in Clara City, Minnesota on August 17, 1997. 857 is a C40-8W built by General Electric (GE), builder's number 46986. Photo by Howard Patrick.

Atchison Topeka & Santa Fe diesel locomotive 857 leading an eastbound grain train in Clara City, Minnesota on August 17, 1997. 857 is a C40-8W built by General Electric (GE), builder's number 46986. Photo by Howard Patrick.

BNSF depot in Granite Falls, Minnesota on September 13, 1998. Photo taken by Howard Patrick.

BNSF diesel locomotive 4770 leading a freight train in Willmar, Minnesota on September 3, 1998. 4770 is a C44-9W built by General Electric (GE), builder's number 50265. Second unit is BNSF 912, a C40-8W built by General Electric (GE), builder's number 47380. Photo taken by Howard Patrick.

BNSF diesel locomotive 4770 leading a freight train in Willmar, Minnesota on September 3, 1998. 4770 is a C44-9W built by General Electric (GE), builder's number 50265. Second unit is BNSF 912, a C40-8W built by General Electric (GE), builder's number 47380. Photo taken by Howard Patrick.

BNSF Railway diesel locomotive 1030 at Willmar, Minnesota on October 28, 1996. 1030 is a C44-9W built by General Electric (GE), builder's number 49420. Photo by Howard Patrick.

BNSF Railway diesel locomotive 1030 at Willmar, Minnesota on October 28, 1996. 1030 is a C44-9W built by General Electric (GE), builder's number 49420. Photo by Howard Patrick.

BNSF Railway diesel locomotive 1030 at Willmar, Minnesota on October 28, 1996. 1030 is a C44-9W built by General Electric (GE), builder's number 49420. Photo by Howard Patrick.

BNSF Railway diesel locomotive 1030 at Willmar, Minnesota on October 28, 1996. 1030 is a C44-9W built by General Electric (GE), builder's number 49420. Photo by Howard Patrick.

BNSF Railway diesel locomotive 797 at Willmar, Minnesota on October 22, 1997. 797 is a C44-9W built by General Electric (GE), builder's number 50080. Photo by Howard Patrick.

BNSF Railway diesel locomotive 797 at Willmar, Minnesota on October 22, 1997. 797 is a C44-9W built by General Electric (GE), builder's number 50080. Photo by Howard Patrick.

BNSF Railway diesel locomotive 9450 leading train at Willmar, Minnesota in 1997. 9450 is an SD70MAC built by General Motors Electro-Motive Division (EMD), builder's number 926335-51. Photo by Howard Patrick.

BNSF Railway diesel locomotive 9450 leading train at Willmar, Minnesota in 1997. 9450 is an SD70MAC built by General Motors Electro-Motive Division (EMD), builder's number 926335-51. Photo by Howard Patrick.

BNSF Railway diesel locomotive 9450 leading train at Willmar, Minnesota in 1997. 9450 is an SD70MAC built by General Motors Electro-Motive Division (EMD), builder's number 926335-51. Photo by Howard Patrick.