The Class D level league featured teams based in Colorado, New Mexico and Wyoming.
During the season, only the La Junta Railroaders franchise remained in place.
The Canon City Swastikas moved to Raton, New Mexico on June 4, 1912.
The Colorado Springs Millionaires moved to become the Dawson Stags on June 15, 1912.
This article related to a baseball league, competition or tournament is a stub.