Railroad Archives Online
| Places term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Pierce Group Mine (Minn.) | 2 | 0 | |
| Pierce Mine (Minn.) | 7 | 0 | |
| Pierce (N.D.) | 0 | 0 | |
| Pierpont (S.D.) | 0 | 0 | |
| Pifer Spur (Wash.) | 0 | 0 | |
| Pifer (Wash.) | 2 | 0 | |
| Pike Bay (Minn.) | 1 | 0 | |
| Pike Bay Pit (Minn.) | 1 | 0 | |
| Pike Hill Spur (Wis.) | 0 | 0 | |
| Pike's Peak (Colo.) | 1 | 0 |