Great Tonnage Pullers: Rio Grande SD9s No. 5311 and 5308 pause just outside the Roper Diesel Shop in South Salt Lake on Jan. 14, 1977.

A Southern Pacific B30-7 'baby boat' leads the MRVRO train into Roper Yard as viewed from the old (and soon to be demolished) 21st South bridge on March 14, 1998.

A brand new GE AC4400CW is serviced at SP's Roper Yard in South Salt Lake on Sept. 9, 1995.

With permission from the tower to depart, the Roper to Denver manifest freight is on the move with both freshly repainted/renumbered and factory painted Chicago & North Western C40-8s in the lead.... (more)

A mix of first and second generation diesels await assignment at Rio Grande's Roper Diesel Shop in South Salt Lake on April 16, 1976.

Looking spiffy in new image paint, a Western Pacific U30B awaits an assignment in Rio Grande's Roper Yard in South Salt Lake. The WP 3063 was built the WP 763 by GE in April 1969 equipped with EMD... (more)

Rio Grande hostlers shuffle power from an inbound Western Pacific train to the Roper Diesel Shop on March 5, 1977.

A group of classic first generation EMDs idle away at Rio Grande's Roper Yard on Friday, July 2, 1976.

DRGW 25 is a railroad slug, built from the remains of Baldwin VO660 No. 68 in 1953. It was initially mated with DRGW Fairbanks Morse H-15-44s No. 151/152 and utilized at the Grand Junction, Colora... (more)

Rio Grande SD9s 5312, 5306, and 5310 kick a cut of cars at Roper Yard on Aug. 11, 1979.

A Western Pacific U23B has been serviced and awaits a call at Rio Grande's Roper Yard on July 21, 1980. The 2260 was built new for the WP in June 1972 and later rebuilt as a B23-S7 'Super 7' by GE... (more)

An overview of the north end of Southern Pacific's former D&RGW Roper Yard from the 21st South overpass the morning of Aug. 25, 1996. Big changes are coming as the UP-SP merger is only 17 days awa... (more)

Nearly a month prior to the big UP-SP merger, evidence of the new landlord have arrived at Southern Pacific's former Rio Grande Roper Yard in South Salt Lake, Aug. 13, 1996.

Looking more like a scene out of the 1980s or even the 1970s (minus alternations to gyralites, class lights, horn relocations, etc.), a group of five Rio Grande GP40-2s have been serviced and awai... (more)

A colorful mix of EMDs lead a Roseville to Roper Forwarder into Roper Yard on July 24, 1996. The four unit set has 13 loads of piggyback trailers on the draw bar.