Springfield, IL: Illinois Historic Preservation Agency, (1988). First edition - Monks Mound is the name given to the huge central mound at the prehistoric site of Cahokia in Illinois, which was the center of a thriving Indian community covering more than 5 square miles around 1000 A.D. This presents the history of this mound, its evolution and archeological excavations. Illustrated throughout with maps, drawings, charts and photographs. References cited. Studies in Illinois Archaeology Number 4. ISBN: 0-942579038.