Postcard of the High School, U. P. Club House, Masonic Temple, and Elks' Home in Rock Springs, Wyoming. The back of the postcard adds, "Rock Springs, on the main line of the Union Pacific, about midway between Denver and Salt Lake City, center of the largest coal mining sections in the West. Mine payrolls average $400,000 per month. Rock Springs is also the center of a large sheep raising area." The message on the back is illegible. The postcard is addressed to "Mrs. Carroll E. Ward Texas Ice Co., Beaumont, Texas."

Postcard of a squat, banded rock formation described as "Tea Pot Rock, near Rock Springs, Wyo." The message on the back is illegible. The postcard is addressed to "Mr. Carroll E. Ward Texas Ice Co. Beaumont, Texas."

A photograph postcard showing Union Pacific (UP) 1915, 2-8-2, Cheyenne, WY.

A photograph postcard showing Union Pacific (UP) 802, 4-8-4, on passenger train No. 1-28, "San Francisco Overland Limited", near Cheyenne, WY, 20 cars, 50 mph.

A photograph postcard showing Union Pacific (UP) 806, 4-8-4, on mail train No. 6, "Fast Mail", east of Cheyenne, WY, 19 cars, 55 mph.

A photograph postcard showing Union Pacific (UP) 816, 4-8-4, on passenger train No. 2-8, "The Challenger", east of Cheyenne, WY, 20 cars, 50 mph.

A photograph postcard showing Union Pacific (UP) 844, 4-8-4, on 1st section of passenger train No. 1-8, "The Challenger", east of Cheyenne, WY, 21 cars, 55 mph.

A photograph postcard showing Union Pacific (UP) 2866, 4-6-2, and 9011, 4-12-2, on mixed freight extra, east of Cheyenne, WY, 81 cars, 40 mph.

A photograph postcard showing Union Pacific (UP) 3578, 2-8-8-2, on eastbound freight extra, west of Cheyenne, WY, 65 cars, 20 mph.

A photograph postcard showing Union Pacific (UP) 7038, 4-8-2, on 2nd section of passenger train No. 818, "The Challenger", emerging from the east portal of Hermosa Tunnel on Sherman Hill, WY.

A photograph postcard showing Union Pacific (UP) 831 & 838, both 4-8-4s, on 1st of passenger train No. 1-1, "Los Angeles Limited", near Sherman, WY, 15 cars, 40 mph.

A photograph postcard showing Union Pacific (UP) 3984, 4-6-6-4, on 2nd section of passenger train No. 22, "Pacific Limited", traveling down grade near Sherman, WY, 18 cars, 50 mph.

A photograph postcard showing Union Pacific (UP) 3991, both 4-6-6-4, on freight extra (reefers), traveling down grade below Sheridan, WY, 62 cars, 30 mph.

A photograph postcard showing Union Pacific (UP) 4021, 4-8-8-4, on westbound freight extra, near Sherman, WY, 82 cars, 35 mph.

A photograph postcard showing Union Pacific (UP) 3573, both 2-8-8-0's, on westbound freight near Corlett, WY, 60 cars, 30 mph.

A photograph postcard showing Union Pacific (UP) 3670, 2-8-8-0, Rock Springs, WY (Ec: N&W 2030)

A photograph postcard showing the Union Pacific (UP) 9046 & 9056, 4-12-2's, on a westward freight extra near Borie, WY, 84 cars, 25 mph.