STATE GEOLOGICAL SURVEY DIVISION 



Urbana, Illinois. 



FULL TIME STAFF 



M. 

 Enid Townley, M.S., Geologist 

 and Assistant to the Chief 



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



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

 Helen E. McMorris, Secretary 

 to the Chief 



Velda a, Millard, Junior 

 Assistant to the Chief 



GEOLOGICAL GROUP 



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



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



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



^ M.S., Geologist and Read 

 Ph.D., Senior Geologist and Head, 



COAL 

 Jack A. Simon, 

 G. H. Cady, 



Em,firitus 

 Robert M. Kosanke, Ph.D., Geologist 

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

 Paul Edwin Potter, Ph.D., Associate Geologist 



(on leave) 

 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 

 Virginia Kline, Ph.D., Associate Geologist 

 Lester L. Whiting, B.A., Associate Geologist 

 Wayne F. Meents, Associate Geological Engineer 

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

 Thomas W. Smoot, M.S., Assistant Geologist 

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

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

 JuTTA L Anderson, Technical Assistant 



PETROLEUM ENGINEERING 



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

 Head 



INDUSTRIAL MINERALS 

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

 Donald L. Graf, Ph.D., Geologist 

 James C. Bradbury, A.M., Associate Geologist 

 James W. Baxter, M.S., Assistant Geologist 

 Meredith E. Ostrom, M.S., Assistant Geologist 



PHYSICS 



R. J. Piersol, Ph.D., Physicist, Emeritus 



CLAY RESOURCES AND CLAY MINERAL 

 TECHNOLOGY 



Ralph E. Grim, Ph.D., Consulting Clay Mineralogist 

 W. Arthur White, Ph.D., Geologist 

 Herbert D. Glass, Ph.D., Associate Geologist 

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



GROUNDWATER GEOLOGY AND GEOPHYSI- 

 CAL EXPLORATION 

 George B. Maxey, Ph.D., Geologist and Head 

 Merlyn B. Buhle, M.S., Geologist 

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

 James E. Hackett, M.S., Associate Geologist 

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

 Wayne A. Pryor, M.S., Assistant Geologist 

 LiDiA Selkregg, D.Nat.Sci., Assistant Geologist 

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

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

 Margaret J. Castle, Assistant Gsologic Draftsman 

 (on leave) 



ENGINEERING GEOLOGY AND TOPOGRAPHIC 

 MAPPING 



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

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



STRATIGRAPHY AND AREAL GEOLOGY 

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

 Elwood Atherton, Ph.D., Geologist 

 David H. Swann, Ph.D., Geologist 

 Charles W. Collinson, Ph.D., Associate Geologist 

 John A. Brophy, M.S., Assistant Geologist 

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

 F. L. Doyle, M.S., Assistant Geologist 

 Alan J. Scott, B.S., Research Assistant 

 Robert W. Frame, Supervisory Technical Assistant 

 Romayne S. Ziroli, Technical Assistant 

 Joseph F. Howard, Assistant 



CHEMICAL GROUP 



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



COAL CHEMISTRY 



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



Thomas P. Maher, B.S., Special Associate Chemist 



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



PHYSICAL CHEMISTRY 



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



Jose M. Serratosa, Dr.Sc, Special Associate 



Chemist 

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

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

 JuANiTA Witters, M.S., Assistant Physicist 



FLUORINE CHEMISTRY 



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

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

 Donald R. Dickerson, B.S., Special Assistant 



Chemist 

 Richard H. Shiley, B.S., Research Assistant 

 Raymond H. White, B.S., Special Research Assistant 



X-RAY 



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



CHEMICAL ENGINEERING 



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

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

 trative Engineer 

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

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



Engineer 

 James C. McCullough, Research Associate (on leave) 

 Walter E. Cooper, Technical Assistant 

 Edward A. Schaede, Technical Assistant 



ANALYTICAL CHEMISTRY 



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

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

 Emile D. Pierron, M.S., Associate Chemist 

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

 Francis A. Cooltcan, B.S., Assistant Chemist 

 Effie E. Hetishee, B.S., Research Assistant 

 Mary Ann Miller, B.S., Research Assistant 

 Louise J. Porter, A.B., Research Assistant 

 IsTVAN Pusztaszeri, Research Assistant 

 George R. James, Technical Assistant 

 Benjamin F. Manley, Technical Assistant 



