STATE GEOLOGICAL SURVEY DIVISION 



Urbana, Illinois. 



FULL TIME STAFF 



Enid Townley, M.S., Geologist 

 and Assistant to the Chief 



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



Helen E. McMorris, Secretary 

 to the Chief 



EMERITI 

 M. Leighton, Ph.D., D.Sc, Chief, Emeritus 



Velda A. Millard, Junior 

 Assistant to the Chief 



M. 



Arthur Bevan, Ph.D., D.Sc, Principal Geologist, Emeritus 



Gilbert H. Cadv, Ph.D., Senior Geologist, Head of Coal Section, Emeritus 



Robert J. Piersol, Ph.D., Physicist, Head of Physics Section, Emeritus 



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 

 Robert M. Kosanke, Ph.D., Geologist 

 John A. Harrison, M.S., Associate Geologist 

 Paul Edwin Potter, Ph.D., Associate Geologist 

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

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

 Margaret A. Parker, M.S., Assistant Geologist 

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



OIL AND GAS 



A. H. Bell, Ph.D., Geologist and Head 

 Lester L. Whiting, M.S., Geologist 

 Wayne F. Meents, Associate Geological Engineer 

 Margaret O. Oros, B.A., Assistant Geologist 

 Thomas W. Smoot, Ph.D., Assistant Geologist 

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

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

 Ronald A. Younker, B.S., Research Assistant 



PETROLEUM ENGINEERING 



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



Head 

 Richard F. Mast, B.S., Assistant Petroleum 



Engineer 



ENGINEERING GEOLOGY AND TOPOGRAPHIC 

 MAPPING 



George E. Ekblaw, Ph.D., Geologist and Head 

 William C. Smith, M.A., Associate Geologist 



CLAY RESOURCES AND CLAY MINERAL 

 TECHNOLOGY 



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

 Walter E. Parham, M.S., Assistant Geologist 



GROUND WATER GEOLOGY AND GEOPHYSI- 

 CAL EXPLORATION 



George B. Maxf.y, Ph.D., Geologist and Head 

 Robert E. Bergstrom, Ph.D., Geologist 

 Merlyn B. Buhle, M.S., Geologist 

 James E. Hackett, Ph.D., Geologist 

 Grover H. Emrich, M.S., Assistant Geologist 

 John P. Kempton, M.A., Assistant Geologist 

 Wayne A. Pryor, Ph.D., Assistant Geologist 

 Lowell A. Reed, B.S., Assistant Geologist 

 Arthur J. Zeizel, M.S., Assistant Geologist 

 Margaret J. Castle, Assistant Geologic Draftsman 

 (on leave) 



INDUSTRIAL MINERALS 



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



James C. Bradbury, Ph.D., Geologist 



Donald L. Graf, Ph.D., Geologist 



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



Meredith E. Ostrom, Ph.D., Assistant Geologist 



STRATIGRAPHY AND AREAL GEOLOGY 



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



Elwood Atherton, Ph.D., Geologist 



Charles W. Collinson, Ph.D., Geologist 



Herbert D. Glass, Ph.D., Geologist 



David H. Swann, Ph.D., Geologist 



T. C. Buschbach, M.S., Associate Geologist 



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



John A. Brophy, Ph.D., Assistant Geologist 



Romayne S. Ziroli, B.A., Research Assistant 



Robert W. Frame, Supervisory Technical Assistant 



Joseph F. Howard, Assistant 



PHYSICAL CHEMISTRY 



CHEMICAL GROUP 



Grace C. Finger, B.S., Research Assistant 

 COAL CHEMISTRY 



J. S. Machin, Ph.D., Chemist and Head 

 Daniel L. Deadmore, M.S., Associate Chemist 

 Neil F. Shimp, Ph.D., Associate Chemist 

 Juanita Witters, M.S., Associate Physicist 



ANALYTICAL CHEMISTRY 



O. W. Rees, Ph.D., Chemist and Head 

 L. D. McVicker, B.S., Chemist 



Emile D. Pierron, Ph.D., Chenist 

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

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

 David B. Heck, B.S., Research Assistant 

 Effie Hetishee, B.S., Research Assistant 

 John K. Kuhn, Research Assistant 

 Steven Pusztaszert, Research Assistant 

 George R. James, Technical Assistant 

 Benjamin F. Manley, Technical Assistant 



X-RAY 



W. F. Bradley, Ph.D., Chemist and Head 



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

 Joseph M. Harris, B.A., Research Assistant 



CHEMICAL ENGINEERING 



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



Head 

 R. J. Hf.lfinstine, M.S., Mechanical and Adminis- 

 trative Engineer 

 B. J. Greenwood, B.S., Mechanical Engineer 

 Robert L. Eissler, M.S., Associate Chemical 



Engineer 

 James C. McCullough, Research Associate 



(on leave) 

 Walter E. Cooper, Technical Assistant 

 John P. McClellan, Technical Assistant 

 Edward A. Schaede, Technical Assistant 



FLUORINE CHEMISTRY 



G. C. Finger, Ph.D., Chemist and Head 

 Donald R. Dickerson, M.S., Associate Chemist 

 Laurence D. Starr, Ph.D., Associate Chemist 



