Publication Title:
Waulsortian Mounds and reservoir potential of the Ullin limestone ("Warsaw") in southern Illinois and adjacent areas in Kentucky
Author:
Zakaria Lasemi, Janis D. Treworgy, Rodney D. Norby, John P. Grube, and Bryan G. Huff ; contributors: Garland R. Dever, Jr., Terry Teitloff, Richard D. Harvey