Colorado & Wyoming
| Ch. 1 | 161.2500 | Rocky Mountain Steel Mills (General Ops.) | ||
| Ch. 2 | 160.9500 | Rocky Mountain Steel Mills (Maintenance) | ||
| 160.3050 | Rocky Mountain Steel Mills (Switching) | |||
| 160.3200 | Rocky Mountain Steel Mills (Switching) | |||
| 160.3800 | Rocky Mountain Steel Mills (Switching) | |||
| 160.5150 | Rocky Mountain Steel Mills (Switching) | |||
| 160.5750 | Rocky Mountain Steel Mills (Switching) | |||
| 160.7850 | Rocky Mountain Steel Mills (Switching) | |||
| 161.5050 | Rocky Mountain Steel Mills (Switching) |
