Denver & Rio Grande Western Railroad (D&RGW) Locomotive No. 315 operated for the Florence & Cripple Creek Railroad (F&CC) and the D&RGW between 1895 and 1949.  From 1895 to 1912, as F&CC No. 3, the locomotive and its sister engines played a key role in the development of Colorado’s Cripple Creek Gold Mining District.  The locomotive served on the all-important passenger and freight transportation link between mountain mines and valley smelters and settlements, delivering coal and supplies to an otherwise isolated mining district.  D&RGW No.

This multi-component site was occupied as early as circa 220 BC through AD 750.  Excavation has revealed several bell-shaped pits and slab-lined roasting pits.

Constructed in 1893, the two-story stuccoed building is the earliest known example of Mission style architecture in the state, as well as a rare example of the utilization of the style in an industrial application.  

The district shows a long occupancy, possibly beginning as early as 300BC and lasting through the Basketmaker and Pueblo periods of the Ancient Pueblo People, to proto-historic Athabascan and Ute Indian occupancy.

The Boor-Redmond Ranch played a significant role in the development of farming and ranching in Routt County.  It is an intact agricultural complex in continuous use since circa 1890 whose buildings have been adapted to meet changing ranch needs.

Bell & Canant Mercantile - Crossan’s M & A Market is significant for its long association as a general mercantile from 1903 through 1964, always providing a wide variety of meat, groceries, dry goods, clothing and farm supplies to the residents of Yampa and the surrounding areas. 

The circa 1903/1904 Antlers Café and Bar in Yampa was initially listed in the Colorado State Register of Historic Properties on March 11, 1998.  Antlers is locally significant under Commerce for the period 1904 to 1964 as the main stopping place along the historic road that is now known as the Flat Tops Scenic Byway as well as a long-time community establishment for food and drink.  The building is further locally significant architecturally for the period 1904, when it was constructed, to 1941, the date of the last significant modification, the addition of a small storage shed to

A circa 1880 two-story log building remains on the property.  The station served the first mail route into the Yampa Valley which was established in 1878.

The Steamboat Springs Downtown Historic District, the center of the business district of the original town site established in 1884, is significant for its long association of providing the residents of Steamboat Springs and surrounding areas with goods and services for over 127 years.  The buildings and objects within the area centered around Lincoln Avenue (U.S. Highway 40) reflect the development of the community and its growth and transformation into Yampa Valley’s regional hub.

David Moffat’s Denver, Northwestern and Pacific Railway reached Steamboat Springs in 1909, thus opening up an important rail link between the community and Colorado’s Eastern Slope markets.