A four unit F7 set leads nine cars, south of Denver in the 1960s. Otto Conrad Perry photo, from my collection.

AT&SF train number 6, the Colorado Express, is seen north of Castle Rock on June 26th 1932. Otto Perry photo, from my collection.

Two car Northern Pacific train number 264 is seen on the curved trestle at Dorsey Idaho in 1931. Otto Perry photo, from my collection.

AT&SF train number 3, the California Limited, moves through Arriba New Mexico at 70 MPH on June 29th 1947. Otto Perry photo, from my collection.

ATSF 3751 leads train number 13, north of Littleton Colorado, on March 12th 1932 . Otto Conrad Perry photo, from my collection.

EMD FTs lead train 19, The Chief, west of Trinidad Colorado on September 1st 1946. Otto Conrad Perry photo, from my collection.

Otto's speed estimate was 80 MPH for this 13 car train near Valparaiso Indiana, on the PRR Chicago-Fort Wayne Line, in 1946. Otto Conrad Perry photo, from my collection.

The 49er, UP train number 48, (8 cars 35 MPH) is seen near Echo Utah on October 23rd 1937. Otto Perry photo, from my collection.

D&RGW train 17, the California Zephyr, is seen near Cliff Colorado in the 1960s. Otto Conrad Perry photo, from my collection.

ATSF F3 20 and mates lead a 10 car Banner Tours Special south of Littleton Colorado on July 15th 1951. Otto Conrad Perry photo, from my collection.

Southern Pacific train 25, The Owl, is seen at Los Angeles California on August 1st 1940. Otto Perry photo, from my collection.

An eleven car El Capitan, ATSF 21, is seen on the move at 60 MPH, east of Trinidad in 1940. Otto Perry photo, from my collection.

This image is kind of special because it's one of the last photos taken by the legendary Otto Conrad Perry. He died at his home in Colorado on December 23rd 1970, two days after his 76th birthday.... (more)

Nearly three years after the pair were delivered by builder Alco, wearing the Daylight paint, the St. Louis Southwestern's PA's 300 and 301 were well established at work in the Lone Star state... (more)

ATSF 926 and 1651 are assisting train 17, The Super Chief, west of Morley Colorado, on the east side of Raton Pass, in 1944. Otto Conrad Perry photo, from my collection.