UP could put together more interesting combinations of power than most railroads in the 1960s and 70s. Here we have SD24B 411B mated up temporarily with an NW2 as it gets hostled around the engine... (more)

In July 1976 one could still catch UP SD24B units in mainline freight consists coming in and out of Seattle. Here UP 440B and 420B match up with SD40-2 3193 as UP's Argo Yard waiting to be assigne... (more)

A Keith Ardinger photo in my dad collection. No location on the mound. My best guess. This is a train form the US Steel operation from Atlantic City, Wyoming. That has been interchanged to Union P... (more)

Flying white flags Maryland Midland’s Union Bridge – Highfield turn rounds the horseshoe curve at Sabillasville, Maryland. The train has picked up quite a few interchange cars in Highfield.

A Maryland Midland waits on his SD24 while his conductor exchanges waybills with the operator at the Western Maryland office in Highfield, Maryland.

Maryland Midland SD24 6252 pauses next to the Western Maryland office in Highfield, Maryland. On the right is the former WM East Subdivision, which was spun off to the MMID between here and Emory ... (more)

An early Maryland Midland westbound train is in the middle of the horseshoe curve in Sabillasville, Maryland. The leading cars are all MMID covered hoppers.

Maryland Midland’s westbound train is seen crossing over the Maryland highway 550 as it climbs the Catoctin Mountains west of Thurmont, Maryland.

EMD’s SD24 was sold to customers in the west and the southeast, but not the northeast. In 1984, some secondhand SD24’s finally penetrated the northeast when the fledgling Maryland Midland boug... (more)

A Precision National Leasing SD24, still in Southern paint, leads five other units on a Milwaukee Road train at Bensenville, Illinois. This was during the power shortage after bankruptcy and a m... (more)

Burlington Northern EMD SD24 No. 6244 shows off its high nose, culminated by a Mars signal light, as the locomotive sits on display at the Illinois Railroad Museum in Union, Illinois, on June 25, ... (more)

Here's another one of my father's pictures from Pinole. SD24 4541 - RSD15 9827 - GP30 32XX lead a Santa Fe train into the early morning sun circa 1969/1970. R. T. Steinbrenner Photo

A pair of high hood SD24s bracket an Alco as a Fox River Valley Railroad train passes through Granville. Tom Kidd photo.

Burlington Northern SD24 6242 is spotted by the sand tower at Grand Forks ND April 1970. The 6242 was built in May 1959 as CB&Q 502 and retired in June 1982 and traded in to General Electric. This... (more)

A westbound Maryland Midland train works through Detour, Maryland.