Constructed in 1926, this architecturally significant, 2½ story red brick building occupies a prominent location at the south end of Burlington’s commercial district. 

Constructed between 1938 and 1940 by the Works Progress Administration (WPA), the Burlington Gymnasium represents an important record of the federal relief programs administered on Colorado’s eastern plains during the Great Depression.  Its construction provided much needed employment in Kit Carson County and it is the only extant work relief construction project remaining from the New Deal era in Burlington.  The building exemplifies the efforts of the WPA to boost moral during the Depression through the construction of buildings that could be enjoyed by the entire community.&nbs

The Sheridan Lake School is significant in the areas of education and social history.  The school, which operated from 1929 to 1962, is the only extant historic school building in this small town.

Built by Acquilla Hollingsworth in 1907, the Holly Hotel/Haswell Hotel is significant in the areas of commerce and social history.  The hotel was one of the first business buildings erected in Haswell, operating as a hostelry for about sixty years.

The circa-1950 Haswell Missouri Pacific Railroad depot, a combination passenger and freight facility, is significant architecturally.

Constructed in 1921, this small, 14 by 16 foot, concrete jail is one of the few public buildings ever constructed in Haswell.  Not in use since the 1940s, the unaltered building remains as a visible local landmark.  

The Sand Creek Massacre Site (boundary increase) formally recognizes an additional 640-acre section contiguous to land managed as the Sand Creek Massacre National Historic Site acquired by the National Park Service with the assistance of the State Historical Fund and Civil War Trust.  The section is included in the authorized boundary as defined by Congress in 2000.  The parcel contributes integrally to the national significance of the Sand Creek Massacre Site in the areas of Military and Ethnic Heritage: Native American.  The boundary increase was processed in consultation a

This 1912 building, a local commercial center and gathering place, reflects the common practice of the repeated modernization of commercial buildings.

The circa-1915-1920 Jackson Barn is significant architecturally as a well-preserved example of an early twentieth century, three-bay, balloon frame horse barn.  The barn is “modest, unassuming, and unpretentious”, making use of common regional forms and materials.  

The 1929 Eads School Gymnasium is significant in the areas of entertainment/recreation, education, and social history.  The building housed physical education classes and school athletic teams, and also accommodated domestic science, music, and drama.