Colorado & Southern (Burlington Northern) SD9 827, seen here at Denver, Colorado, on August 29, 1973, is ex-Colorado & Southern (Chicago Burlington & Quincy) 827.

A visitor from the east is resting next to its western host in Pueblo, Colorado, on August 28, 1973. Norfolk & Western high-nosed U28B 1912 was built seven years earlier (8/66) and would be retir... (more)

Western Pacific GP7 707 idles in Portola, California, in October 1973. It won't be long now before the first snows hit the Feather River Canyon, and that snowplow will be used as intended.

At Union Pacific's East Yard in Los Angeles, GP30s share some down time with a GP9B and, in the background, some yard switchers.

The iconic locomotive for the Santa Fe! F7A 300C is seen resting between Amtrak runs at the enginehouse in Barstow, California. These Fs were retained by Santa Fe following the formation of Amtr... (more)

Southern Pacific 4302, seen here leading a westbound around the famed Tehachapi Loop, is an SD9E, upgraded from SD9 3908 (originally 5430) - although, as noted by author Joe Strapac, the official ... (more)

Union Pacific SD60M 6299 rounds the big horseshoe curve at Caliente, as it grinds upgrade toward the summit at Tehachapi. This engine was later renumbered 2454.