Burlington Northern diesel locomotive 5585 leading an eastbound freight train exiting tunnel at Guernsey, Wyoming on June 6, 1981. Number 5585 is a C30-7 built by General Electric (GE) builder's number 42186. Photo by Howard Patrick.

Burlington Northern depot and speeder sheds at Guernsey, Wyoming on June 6, 1981. Photo by Howard Patrick.

Burlington Northern depot and speeder sheds at Guernsey, Wyoming on June 6, 1981. Photo by Howard Patrick.

Burlington Northern diesel locomotives leading an eastbound coal train crossing the bridge into the yard at Guernsey, Wyoming on June 6, 1981. Photo by Howard Patrick.

Burlington Northern caboose 12086 bringing up the rear of an eastbound coal train exiting the tunnel at Guernsey, Wyoming on June 6, 1981. Photo by Howard Patrick.