A two-unit GP9 5903 and 5943 helpers gives an added push on the rear end of a westbound freight between Helper and Soldier Summit, Utah on March 31, 1969. Photo by Matt Herson, from my colle... (more)

Five first generation Rio Grande Geeps, lead by GP9 5943 in charge of a mainline freight at Plainview, Colorado in March 1969. Photo from my slide collection, Photographer J.B. Calvert.