Denver Rio Grande & Western EMD GP40-2 diesel electric locomotive 3110, along with another, is seen leading a unit coal train of high capacity hopper cars in Colorado, 1980

Denver Rio Grande & Western EMD GP40-2 diesel electric locomotive 3110, along with another, is seen leading a unit coal train of high capacity hopper cars in Colorado, 1980. At the rear of the train were two additional diesel locomotives that were pushing. You can see an employee riding in the caboose cupola, which is coupled to the second locomotive.

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