Burlington Northern GP7 Number 1550 leads a string of freight cars at Minneapolis Junction, Minnesota on May 15, 1981. Photo by Al Christianson.

Burlington Northern GP7 Number 1550, former Great Northern Number 650; switching cars at Minneapolis Junction, Minnesota on May 15, 1981. Nearly new Burlington Northern double door boxcar (Pacific Car & Foundary, 222550-222949 series) next to engine, with a Santa Fe boxcar, unidentified bulkhead flat, and unidentified all door boxcar in the switch cut. Union Pacific appliance boxcar in the background. Photo by Al Christianson.

Burlington Northern SW15 Number 306, former Great Northern 206, in Minneapolis Junction, Minnesota on February 25, 1982. Maintenance base "MPLS Junction" stenciled on the frame. Photo by Al Christianson.

Burlington Northern SW15 Number 306, former Great Northern 206, in Minneapolis Junction, Minnesota on February 25, 1982. Maintenance base "MPLS Junction" stenciled on the frame. Photo by Al Christianson.

Great Northern Diesel Locomotive 908 at Minneapolis Jct., Minnesota on March 6, 1970. The photograph shows an Electro-Motive Division Type GP-9L, Great Northern Class GP-5. The locomotive is painted in the original green and orange scheme. Other subject classes: Locomotive-Diesel