ILLINOIS STATE GEOLOGICAL SURVEY u rb a„a, im™,. full T1ME staff 



Enid Townley, M.S., Geologist 

 and Assistant to the Chief 



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



Helen E. MgMorris, 



Secretary to the Chief 



Velda A. Millard, Junior 

 Assistant to the Chief 



GEOLOGICAL GROUP 



M. L. Thompson, Ph.D., Principal Geologist 

 Frances H. Alsterlund, A.B., Research Assistant 



COAL 



Jack A. Simon, M.S., Geologist and Head 

 John A. Harrison, M.S., Geologist 

 Kenneth E. Clegg, M.S., Associate Geologist 

 M. E. Hopkins, Ph.D., Associate Geologist 

 William H. Smith, M.S., Associate Geologist 

 H. J. Gluskoter, Ph.D., Assistant Geologist 

 Russel A. Peppers, Ph.D., Assistant Geologist 

 David L. Reinertsen, A.M., Assistant Geologist 



OIL AND GAS 



Lester L. Whiting, M.S., Geologist in charge 

 W. F. Meents, Associate Geological Engineer 

 Richard H. Howard, M.S., Assistant Geologist 

 David L. Stevenson, M.S., Assistant Geologist 

 Jacob Van Den Berg, M.S., Assistant Geologist 

 David Duncan, B.S., Research Assistant 

 Elton E. Hill, B.A., Research Assistant 



INDUSTRIAL MINERALS 



J. E. Lamar, B.S., Geologist and Head 

 James C. Bradbury, Ph.D., Geologist 

 James W. Baxter, Ph.D., Associate Geologist 

 Richard D. Harvey, Ph.D., Assistant Geologist 

 Ralph E. Hunter, Ph.D., Assistant Geologist 



PETROLEUM ENGINEERING 

 Carl W. Sherman, M.S., Petroleum Engineer 



and Head 

 Richard F. Mast, 



Engineer 



M.S., Assistant Petroleum 



ENGINEERING GEOLOGY AND 

 TOPOGRAPHIC MAPPING 



W. Calhoun Smith, Ph.D., Geologist in charge 

 Paul B. DuMontelle, M.S., Assistant Geologist 



STRATIGRAPHY AND AREAL GEOLOGY 

 H. B. Willman, Ph.D., Geologist and Head 

 Elwood Atherton, Ph.D., Geologist 

 Charles Collinson, Ph.D., Geologist (on 



leave) 

 Herbert D. Glass, Ph.D., Geologist 

 David H. Swann, Ph.D., Geologist 

 T. C. Buschbagh, Ph.D., Associate Geologist 

 Lois S. Kent, Ph.D., Associate Geologist 

 Charles A. Ross, Ph.D., Associate Geologist 

 Robert W. Orr, B.S., Research Assistant 

 Cynthia R. Wright, M.S., Research Assistant 

 Robert W. Frame, Supervisory Technical 



Assistant 

 J. Stanton Bonwell, Technical Assistant 

 Joseph F. Howard, Assistant (on leave) 



CLAY RESOURCES AND CLAY MINERAL 

 TECHNOLOGY 

 W. Arthur White, Ph.D., Geologist and Head 

 Shirley M. Bremser, B.S., Research Assistant 



GROUND-WATER GEOLOGY AND 

 GEOPHYSICAL EXPLORATION 



Robert E. Bergstrom, Ph.D., Geologist and 



Head 

 Merlyn B. Buhle, M.S., Geologist 

 James E. Hackett, Ph.D., Geologist 

 John P. Kempton, Ph.D., Associate Geologist 

 Keros Cartwright, M.S., Assistant Geologist 

 George M. Hughes, Ph.D., Assistant Geologist 

 Lyle D. McGinnis, M.S., Assistant Geophysicist 

 Ronald A. Landon, M.S., Research Assistant 

 Kemal Piskin, M.S., Research Assistant 

 Margaret J. Castle, Assistant Geologic 



Draftsman (on leave) 

 Sonja D. Goodale, Technical Assistant 

 Charles Lund, Technical Assistant 



CHEMICAL GROUP 



Glenn C. Finger, Ph.D., Principal Chemist 

 O. W. Rees, Ph.D., Principal Research Chemist 



Ruth C. Lynge, Technical Assistant 

 ANALYTICAL CHEMISTRY 



Neil F. Shimp, Ph.D., Chemist and Head 

 William J. Armon, M.S., Associate Chemist 

 Juanita Witters, M.S., Associate Physicist 

 Charles W. Beeler, M.A., Assistant Chemist 

 David B. Heck, B.S., Assistant Chemist 

 Richard H. Burroughs, B.A., Research 



Assistant 

 Jane V. Dresback, B.S., Research Assistant 

 John K. Kuhn, Research Assistant 

 Paul E. Gardner, Technical Assistant 

 George R. James, Technical Assistant 

 Benjamin F. Manley, Technical Assistant 



FLUORINE CHEMISTRY 



G. C. Finger, Ph.D., Acting Head 

 D. R. Dickerson, Ph.D., Associate Chemist 

 Terence Hodgins, Ph.D., Special Assistant 

 Chemist 



Thelma J. Chapman, B.A., Technical Assistant 

 COAL CHEMISTRY 



G. R. Yohe, Ph.D., Chemist and Head 

 PHYSICAL CHEMISTRY 



Josephus Thomas, Jr., Ph.D., Chemist and 

 Head 



Donald E. Orlopp, M.S., Research Assistant 



GEOCHEMISTRY 



Donald L. Graf, Ph.D., Geochemist in charge 



CHEMICAL ENGINEERING 



H. W. Jackman, M.S.E., Chemical Engineer 



and Head 

 R. J. Helfinstine, M.S., Mechanical and 



Administrative Engineer 

 Lee D. Arnold, B.S., Assistant Engineer 

 Walter E. Cooper, Technical Assistant 

 John P. McClellan, Technical Assistant 

 Edward A. Schaede, Technical Assistant 



