F
| Fairfield | Fort Benton |
| Fairview | Fort Peck |
| Fallon | Fort William Henry Harrison |
| Flaxville | Fresno |
| Forsyth | Froid |
| Fort Belknap | Fromberg |
| Montana Historical Society Research Center |
| 225 North Roberts, P.O. Box 201201, Helena, MT 59620-1201, 406-444-2681, 406-444-2696 (fax). |
| mhslibrary@mt.gov |