Colorado River cutthroats are thought to have occupied the basin of upper Muddy Creek, a tributary of the Little Snake River (which ultimately flows into the Colorado River) in southern Carbon County, Wyoming.
Colorado | Mississippi River | River Thames | Amazon River | Columbia River | Colorado Springs, Colorado | Hudson River | Colorado River | Potomac River | river | Ohio River | Missouri River | Delaware River | Murray River | University of Colorado | River Tyne | Madeira River | Boulder, Colorado | Colorado Springs | Volga River | River Nene | River Clyde | River Trent | River Severn | Colorado Rockies | Aspen, Colorado | Amur River | River Wear | Allegheny River | Red River |