Burlington Northern diesel locomotive 5738 leading Train 76 with 70 cars at Granite Falls, Minnesota on March 3, 1980. 5738 is a U33C built by General Electric (GE), builder's number 37975. Photo by Howard Patrick.

Burlington Northern diesel locomotive 5738 leading Train 76 with 70 cars at Granite Falls, Minnesota on March 3, 1980. 5738 is a U33C built by General Electric (GE), builder's number 37975. Photo by Howard Patrick.

Burlington Northern diesel locomotive 6168 leading the Burwell local from Aurora to Burwell, crossing the Union Pacific at Central City, Nebraska on August 22, 1980. Number 6168 is an SD9 built by Electo Motive Division (GM) builder's number 20576. Photo by Howard Patrick

Burlington Northern sled gang with 6008 at milepost 24 in Maynard, Minnesota on August, 5 1980. 6008 is an SD7 built by General Motors Electro-Motive Division (EMD), builder's number 16107. Photo by Howard Patrick.

Burlington Northern sled gang at Maynard, Minnesota on August, 5, 1980.

Burlington Northern sled gang with 6008 at milepost 24 in Maynard, Minnesota on August 5, 1980. 6008 is an SD7 built by General Motors Electro-Motive Division (EMD), builder's number 16107. Photo by Howard Patrick.

Burlington Northern sled gang with 6008 at milepost 24 in Maynard, Minnesota on August 5, 1980. 6008 is an SD7 built by General Motors Electro-Motive Division (EMD), builder's number 16107. Photo by Howard Patrick.