CWP&S SW1200 #51 at Pullman Junction, West Pullman Chicago, Illinois. Photo from my collection, no photographer listed on slide.
Belt Railway of Chicago Alco C424 601 and GP7 473 at Chicago's Clearing yard.
Georgetown Railroad EMD SW1500 #1010 , GRR Passenger extra at Round Rock, Texas.
C&NW GP50 5069 leading UP C30-7 2486 and UP U30C 2937 at Hammond, Indiana.
BNSF double stack train eastbound at Lenwood, CA.
BNSF C44-9W 5104, BNSF GP35 2563, BNSF GP38 2191, BNSF SD60M 8128 and BNSF C44-9W 1055 westbound leaving Barstow, CA.
Three Southern Railway GP50's at McLeansville, NC. Photo from my collection, no photographer listed on slide.
C&NW SD40-2 6908 and 6918 with two IHB units at Riverdale, Illinois.
Chessie System (WM) GP9 6403, former Western Maryland 28.
Conrail GE C40-8W 6054 and 6050 heading east at Wickliffe, Ohio.
Southern Railway GE B30-7A1 3500-3521. Externally, the B30-7A1s resemble the B23-7 model; only their 3500-series numbers are a spotting feature.