D&RGW 488 and 491 work up the grade from Carbon Junction, headed east over the San Juan Extension. Photographer unknown.

D&RGW 492 and another K-37 head downhill into Carbon Junction off the San Juan Extension sometime in 1958.

D&RGW 487 and 482 climb up onto the San Juan Extension at Carbon Junction. The Farmington Branch is visible diverging below. Unknown photographer.