 A characteristic of this and other cave painting places in northeastern México is the lack of ethnic-historical references.Spanish colonial authors wrote many details about the art and work of Mesoamerican native groups, but there were few detailed descriptions for native groups of northeastern New Spain a large sparsely populated area before European settlements, also they are very frugal in describing the lives and ways of the region inhabitants.Captain Alonso de León, was the first colonial author who made a complete description about the Native American groups in the region, their lives and customs, Alonso depicted them as barbaric semi-nomad groups divided in numerous subgroups with no dominant culture.