The county constructed its 1894 jail following the plans of Denver architect Robert S. Roeschlaub.

The Cheyenne County Courthouse is a red brick structure of Georgian Revival style located in the center of the courthouse square. 

Although little remains today, the camp site is representative of the boom and bust cycles typical of many Colorado mining communities.

The cabin is the sole surviving property within the former San Juan Mountain mining town of Capitol City.

This 1881 vertical shaft kiln is a variety known as a separate feed kiln.

Little Rome is the site of an historic mining camp that was occupied by Italian immigrants who worked at the Ute-Ulay Mine and Mill from 1889 to 1899.

Established in 1875 as a supply center for the heavy mining activity in the area, people found their way to Lake City via the Saguache-San Juan Toll Road built by Enos Hotchkiss, one of the town founders.

The property illustrates the extreme conditions of altitude, climate, and isolation faced by mining operations in the area. 

The complex includes a 150-ton flotation mill, the mine tunnel, several associated buildings, and the ruins of several buildings that were destroyed by the county's deadliest avalanche in 1929.

The Tobasco Mine and Mill is associated with the metal mining history of Hinsdale and San Juan counties. The complex possesses the distinctive characteristics of a moderate size 1900s gold mine and mill operation in which the organization pattern is clearly evident.