Railroad Archives Online
| Places term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Boundary (N.D.) | 1 | 0 | |
| Boundary Creek Mining District (B.C.) | 1 | 0 | |
| Boundary (B.C.) | 2 | 0 | |
| Bound Brook (Wash.) | 1 | 0 | |
| Boulder Wye (Mont.) | 1 | 0 | |
| Boulder Pit Spur (Mont.) | 0 | 0 | |
| Boulder (Mont.) | 69 | 0 | |
| Boulder Mill (B.C.) | 2 | 0 | |
| Boulder (Colo.) | 21 | 0 | |
| Botttineau (N.D.) | 1 | 0 |