First excavated in 1956–57, the LoDaisKa Archaeological Site south of Morrison is a rockshelter that contains evidence of about 7,500 years of human occupation, from the Paleo-Indian period (before 6000 BCE) to the Early Ceramic (150–1150 CE). The site…

Mantle’s Cave is the most important Fremont period archaeological site excavated in northwestern Colorado. Artifacts recovered from the cave were instrumental in defining the Fremont culture. Because the cave is dry, artifacts that are not usually seen…