| Title | Author |
|---|---|
| U.S. Airmail in Wyoming | Steve Wolff |
| U.S. Bureau of Reclamation in Wyoming | Phil Roberts |
| U.S. Marines invade Teapot Dome | Carolynne Harris |
| Uinta County Courthouse | |
| Uinta County Museum | |
| Uinta County, Wyoming | Barbara Allen Bogart |
| Union Pacific Depot, Cheyenne | |
| Union Pacific Depots | |
| Union Pacific Ice Ponds | |
| Union Pacific in Wyoming, The | Gregory Nickerson |