GP15-1 100 at Fort Smith, Arkansas in May 1980 (John Benson).

GP15-1 102 at Springfield, Missouri on May 25, 1980 (Allen Clum).

GP15-1s 102 and 120 at Springfield, Missouri on October 17, 1980. The rest of the locomotives in the picture are apparently; GP15-1 115, SD45 943, U25Bs 819 and 811, and SW7 302.

GP15-1 102 at Fort Smith, Arkansas on July 7, 1980 (Paul Strang).

GP15-1 119 at Madill, Oklahoma on August 27, 1980 (Bill Phillips).

GP15-1 102 at Wichita, Kansas on September 5, 1977 (Allan Ramsey).

GP15-1 115 at Hugo, Oklahoma on July 7, 1980.

These photographs were taken at the Mechanical Department’s locomotive service tracks area at Hugo Yard. This facility is located on the south side of the freight yard.

Hugo Yard is on the geographic east/west (timetable north/south) Arkinda–Ardmore Subdivision (Lakeside, Oklahoma to Hope, Arkansas). The yard is located just west of the crossing with the Frisco’s Arthur Subdivision (Fort Smith, Arkansas to Paris, Texas).

The views are looking north/northeast.

Special thanks to Mark Davidson.

GP15-1 121 at Memphis, Tennessee in March 1981 (Lon Coone).

GP15-1 117 at Fort Worth, Texas in April 1980 (Bill Phillips).