Please see below from Estes:
Winter weather
| Limited | |
| 060 | Rockford, IL – RKF/60 |
| 066 | Bloomington, IL – BLO/66 |
| 068 | Grand Rapids, MI – GDR/68 |
| 069 | Flint, MI – FLM/69 |
| 078 | Milwaukee, WI – MIL/78 |
| 095 | Marshall, MI – MHL/95 |
| 108 | Gary, IN – GAR/108 |
| 113 | Mesick, MI – MES/113 |
| 120 | Duluth, MN – DLH/120 |
| 125 | Grand Forks (agent), ND – GFN/125 |
| 127 | South Bend, IN – SBD/127 |
| 129 | Madison, WI – MWI/129 |
| 131 | Appleton, WI – APW/131 |
| 133 | Mankato, MN – MNK/133 |
| 134 | Wausau, WI – WAU/134 |
| 138 | Minneapolis, MN – MIN/138 |
| 140 | Fargo, ND – FGO/140 |
| 142 | St Cloud, MN – SCM/142 |
| 143 | Shotley (agent), MN – SHO/143 |
| 153 | Rice Lake (agent), WI – RLK/153 |
| 163 | Eau Claire, WI, WI – ECW/163 |
| 173 | Bismarck, ND – BS2/173 |
| 186 | Sheboygan, WI – SEB/186 |