COMMERCE CITY, Colo. (CBS4)- The mystery of those human remains found at Suncor in Commerce City has been solved. Turns out those bones have been there a long, long time.

Workers found bones while digging on the Suncor property in March.

The Adams County Coroner said the remains are archeological and likely Native American.

The remains will be turned over to the Office of Archeology and Historic Preservation.