National and State Register

Colorado Millennial Site / Hackberry Site / Bloody Springs

Las Animas County

This site with its multiple prehistoric and historic components is one of a few known sites in Colorado that has been identified with such an extended period of occupation—possibly 7,000 years. 

A picture of some drawings on a rock wall in black and white.

Colorado Millennial Site / Hackberry Site / Bloody Springs

The rock art is notable for its quantity, range of styles, and well-preserved context.  It is also the 1868 location of a 7th Cavalry fight with Cheyennes, the last historically documented skirmish involving Plains Indians and the military in southeastern Colorado.