STATE OF ILLINOIS 



HON. WILLIAM G. STRATTON, Governor 



DEPARTMENT OF REGISTRATION AND EDUCATION 

 HON. VERA M. BINKS, Director 



BOARD OF NATURAL RESOURCES 

 AND CONSERVATION 



Hon. Vera M. Binks, Chairman 



W. H. Newhouse, Ph.D., Geology 



Roger Adams, Ph.D., D.Sc, Ll.D., Chemistry 



Robert H. Anderson, B.S., Engineering 



A. E. Emerson, Ph.D., Biology 



Lewis H. Tiffany, Ph.D., Pd.D., Forestry 



Dean W. L. Everitt, E.E., Ph.D., 



University of Illinois 

 President Delyte W. Morris, Ph.D., 



Southern Illinois University 



GEOLOGICAL SURVEY DIVISION 



JOHN C. FRYE, Ph.D., D.Sc, Chief 



(76887—2,500—3-58) 



