| Specimen ID | 30366 |
| Group | Fishes |
| Genus | Prosopium |
| Species | williamsoni |
| Common Name | Mountain Whitefish |
| State | CO |
| County | Garfield |
| Locality | Roaring Fork River, trib of the Colorado at Glenwood Springs |
| Mapping Accuracy | Accurate |
| HUC8 Name | Roaring Fork |
| HUC8 Number | 14010004 |
| HUC10 Name | Outlet Roaring Fork River |
| HUC10 Number | 1401000410 |
| HUC12 Name | Outlet Roaring Fork River |
| HUC12 Number | 140100041003 |
| Map | |
| Collection Year | 1955 |
| Year Accuracy | Actual |
| Potential Pathway | stocked for sport |
| Status | established |
| Comments | actual date of intro.; spread to upper Colorado R. from here. |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
