Rock Art of the Blood of the Ancestors Grotto
http://virtual.parkland.edu/lstelle1/len/center_for_social_research/BAG/BAG_main.htmlData collection and analysis of the prehistoric pictographs of the Blood of the Ancestors Grotto, Saline County, Illinois.
Submitted in section: Archaeology: Topics: Rock Art: Rock Art of the Blood of the Ancestors Grotto