D&RGW train 18, The California Zephyr, is seen at Dotsero Colorado in 1952. Otto Conrad Perry photo, from my collection.

UP M-10001 is in charge of train 2, the City of Portland (6 cars), at Cheyenne Wyoming on July 7th 1935. Otto Conrad Perry photo, from my collection.

ATSF train 4, the California Limited, is seen approaching La Junta Colorado at 50 MPH on September 16th 1934. Otto Conrad Perry photo, from my collection.

IHB 115 is westbound at MP 488 on the Norfolk Southern Chicago Line.

Westbound through Michigan City Indiana on 11th.

Street running through Michigan City's west side residential district on 10th..

AT&SF train number 3, the California Limited, is arriving Los Angeles California with smog present in the atmosphere, on August 1st 1940. Stare at that bell long enough and you can almost hear it ... (more)

Rock Island train number 509, The Rocket, is seen at Wichita Kansas in 1940. Otto Conrad Perry photo, from my collection.

Union Pacific train number 22, the Pacific Coast Limited, is seen near Cheyenne Wyoming in 1934. Otto Perry photo, from my collection.

Santa Fe train number 71 is departing San Diego California with four cars at 20 MPH in 1933. Otto Perry photo, from my collection.

Santa Fe train number 73 is departing San Diego California with six cars in 1933. Otto's speed estimate was 30 MPH. Otto Perry photo, from my collection.

Southern Pacific 4-8-8-2 number 4190 heads east with SP 3rd 824, a 76 car freight, at Los Angeles California in 1940. Otto Perry photo, from my collection.

SP cab-forward 4135 leads 61 cars westbound at 10 MPH, after exiting a snowshed in the vicinity of Donner Pass, on August 4th 1935. Otto Conrad Perry photo, from my collection.

SP Daylight, 2nd 99, is seen at the Third & Townsend Street station in San Francisco California on July 26th 1939. Otto Conrad Perry photo, from my collection.

SP cab-forward 4119 leads The Owl, SP 2nd 26, at Los Angeles California on May 4th 1934. Otto Conrad Perry photo, from my collection.