CM Ranch and Simpson Lake Cabins
The CM Ranch and Simpson Lake Cabins are separate components of a single historic district associated with Charles Cornell Moore, a Fremont County, Wyoming dude ranch operator. The CM ranch, named after Moore, operated as a dude ranch from 1920 to 1942 and resumed operating in 1945.
Source: Wikipedia — CM Ranch and Simpson Lake Cabins (CC BY-SA 4.0)