Burlington Northern eastbound Midwest Energy Services Company (IPSX) coal train with helpers on Crawford Hill near Crawford, Nebraska on June 5, 1981. Photo by Howard Patrick.

Burlington Northern eastbound coal train on Crawford Hill near Crawford, Nebraska on June 5, 1981. Photo by Howard Patrick.

Burlington Northern eastbound Midwest Energy Services Company (IPSX) coal train on Crawford Hill near Crawford, Nebraska on June 5, 1981. Photo by Howard Patrick.

Burlington Northern eastbound coal train with helpers on Crawford Hill near Crawford, Nebraska on June 5, 1981. Photo by Howard Patrick.

Burlington Northern eastbound coal train on Crawford Hill, Nebraska on June 5, 1981. Photo by Howard Patrick.

Burlington Northern 995 leading a train crossing Soo Line diamond at Wyndmere, North Dakota on February 18, 1981. Number 995 is a NW5 built by the Electro-Motive Division of General Motors (EMD), builder's number 3488. Photo by Al Christianson.

Burlington Northern 995 leading a train about to cross the Soo Line diamond at Wyndmere, North Dakota on February 18, 1981. Number 995 is a NW5 built by the Electro-Motive Division of General Motors (EMD), builder's number 3488. Photo by Al Christianson.

Burlington Northern 995 leading a train west of Wyndmere, North Dakota on March 11, 1981. Number 995 is a NW5 built by the Electro-Motive Division of General Motors (EMD), builder's number 3488. Photo by Al Christianson.

Burlington Northern 995 leading a train at Wyndmere, North Dakota on March 11, 1981. Number 995 is a NW5 built by the Electro-Motive Division of General Motors (EMD), builder's number 3488. Photo by Al Christianson.

Burlington Northern 995 leading a train crossing Soo Line diamond at Wyndmere, North Dakota on February 18, 1981. Number 995 is a NW5 built by the Electro-Motive Division of General Motors (EMD), builder's number 3488. Photo by Al Christianson.