| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 51 |  | Powell Expedition (2nd) P.34 | 1871 | Image | dha_cp |
| 52 |  | Powell Expedition (2nd) P.38 | 1871 | Image | dha_cp |
| 53 |  | Rock Springs, Wyoming P.1 | 1939 | Image | dha_cp |
| 54 |  | Rock Springs, Wyoming P.2 | 1937-01-29 | Image | dha_cp |
| 55 |  | Rock Springs, Wyoming P.3 | 1937-01-29 | Image | dha_cp |
| 56 |  | Rock Springs, Wyoming P.4 | 1937-01-29 | Image | dha_cp |
| 57 |  | Superior, Wyoming P.1 | 1939 | Image | dha_cp |
| 58 |  | Superior, Wyoming P.2 | 1939 | Image | dha_cp |
| 59 |  | Superior, Wyoming P.3 | 1939 | Image | dha_cp |
| 60 |  | Union Pacific Railroad - Locomotives P.52 | 1953 | Image | dha_cp |
| 61 |  | Union Pacific Railroad - Locomotives P.53 | 1953 | Image | dha_cp |
| 62 |  | Union Pacific Railroad - Locomotives P.64 | Image | dha_cp | |
| 63 |  | Union Pacific Railroad -Construction Camp P. 2 | Image | dha_cp | |
| 64 |  | Union Pacific Railroad -Locomotives P. 22 | 1954 | Image | dha_cp |
| 65 |  | Union Pacific Railroad -Locomotives P. 46 | 1954 | Image | dha_cp |
| 66 |  | World War I-Liberty Loan Drive P.6 | Image | dha_cp |