A four unit consist of F-units headed by Santa Fe F3A 262 and three F7Bs moves No.31 on the grade at Larkspur, Colorado. Only 8.6 miles remain to the Palmer Lake summit, as the diesels are in... (more)

Santa Fe Alco RSD15 604 and two RSD-4’s lead Train 31 out of La Junta (Colo.) yard en route to Albuquerque and Belen, N.M. April 23, 1967.

Santa Fe’s Train 31 south out of La Junta, Colo. gets freight rolling among the semaphores at Ormega. An Alco RSD-7 leads two RSD-5s as they head for Raton Pass on April 23, 1967.