Amtrak diesel locomotive 305, an F40PH EMD SN 786140-6 at Salt Lake City, Utah on September 13, 1985. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 305 at Salt Lake City, Utah on September 13, 1985. Amtrak 305 leads train number 6 at the Rio Grande Station in Salt Lake City UT in 1985. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 305 at Salt Lake City, Utah on September 13, 1985. Amtrak 234 also visible in the photo. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 305 leads train number 26 at Salt Lake City, Utah on September 13, 1985. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Denver & Rio Grande Western Railroad steam locomotive 223 on display at Salt Lake City, Utah on September 13, 1985. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive

Union Pacific diesel switcher 1217 moving train number 6 at Salt Lake City, Utah on September 13, 1985. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Union Pacific Railroad diesel locomotive number 3277 at Salt Lake City, Utah, in 1985. UP 3277 helps a freight near Salt Lake City in 1985. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, helper locomotive.