Tercio is a ghost town and former coal mine in Las Animas County, in the U.S. state of Colorado. The GNIS classifies it as a populated place. A post office called Tercio was established in 1902, and remained in operation until 1949.[1] The community was the third (Spanish: tercio) coal mining community established by the Colorado Fuel and Iron Company, hence the name.[2]
- ^ "Post offices". Jim Forte Postal History. Retrieved July 11, 2016.
- ^ Dawson, John Frank. Place names in Colorado: why 700 communities were so named, 150 of Spanish or Indian origin. Denver, CO: The J. Frank Dawson Publishing Co. p. 48.