

SCIENTIFIC AND TECHNICAL STAFF OF THE 

 STATE GEOLOGICAL SURVEY DIVISION 



100 Natural Resources Building, Urbana 



M. M. LEIGHTON, Ph.D.. Chief 

 Enid Townley, M.S., Assistant to the Chief 



GEOLOGICAL RESOURCES 



Coal 



G. H. Cady, Ph.D., Senior Geologist and Head 

 L. C. McCabe, Ph.D., Geologist (on leave) 

 R. J. Helfinstine, M.S., Assoc. Mech. Eng. 

 James M. Schopf, Ph.D., Asst. Geologist 

 T. Norman Payne, Ph.D., Asst. Geologist 

 Charles C. Boley, M.S., Asst. Mining Eng. 

 Bryan Parks, M.S., Asst, Geologist 

 George M, Wilson, B.S., Research Assistant 



Industrial Minerals 



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

 H. B. Willman, Ph.D., Assoc. Geologist 

 Douglas F. Stevens, M.E., Research Associate 

 Robert M. Grogan, Ph.D., Asst. Geologist 

 Robert R. Reynolds, B.S., Research Assistant 



Oil and Gas 



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

 Frederick Squires, B.S., Assoc. Petr. Eng. 

 Charles W. Carter, Ph.D., Asst. Geologist 

 William H. Easton, Ph.D., Asst. Geologist 

 Paul G. Luckhardt, M.S., Asst. Geologist 

 Wayne F. Meents, Research Assistant 



Areal and Engineering Geology 



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

 Richard F. Fisher, M.S., Asst. Geologist 



Subsurface Geology 



L. E. Workman, M.S.. Geologist and Head 

 Tracy Gillette, Ph.D., Assoc. Geologist 

 Arnold C. Mason, B.S., Asst. Geologist 

 Kenneth O. Emery, Ph.D., Asst. Geologist 

 Merlyn B. Buhle, M.S., Asst. Geologist 

 Frank E. Tippie, B.S., Asst. Geologist 

 Ruth E. Roth, B.S., Research Assistant 



Stratigraphy and Paleontology 



J. Marvin Weller, Ph.D., Geologist and Head 

 Chalmer L. Cooper, M.S., Assoc. Geologist 



Petrography 



Ralph E. Grim, Ph.D., Pctrographer 

 Richards A. Rowland. Ph.D., Asst. Petrographer 

 Con leave) 



Physics 



R. J. PiERsoL, Ph.D., Physicist 



B. J. Greenwood, B.S., Mech. Engineer 

 Donald O. Holland, M.S., Asst. Physicist 



(on leave) 



GEOCHEMISTRY 



Frank H. Reed, Ph.D., Chief Chemist 

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

 Roberta M. Langenstein, B.S., Chemical Assistant 

 Melville A. Rogers, B.S., Research Assistant 



Coal 



G. R. Yoke, Ph.D., Chemist 



Industrial Minerals 



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

 Delbert L. Hanna, A.m., Research Assistant 



Fluorspar 



G. C. Finger, Ph.D., Assoc. Chemist 



Everett W. Maynert, B.S., Research Assistant 



X-ray and Spectrography 



W. F. Bradley, Ph.D., Assoc. Chemist 



A nalytical 



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



L. D. McVicker. B.S.. Asst. Chemist 



P. W. Henline, M.S., Asst. Chemical Engineer 



William F. Wagner, M.S., Asst. Chemist 



K. F. Bursack, B.A., Research Assistatit 



Cameron D. Lewis, B.A., Research Assistant 



Marjorie Winchester, B.S., Research Assistant 



MINERAL ECONOMICS 



W. H. VosKuiL, Ph.D., Mineral Economist 

 Grace N. Oliver, A.B., Assistant in Mineral 

 Economics 



EDUCATIONAL EXTENSION 



Don L. Carroll, B.S., Assoc. Geologist 



PUBLICATIONS AND RECORDS 



George E. Ekblaw, Ph.D., Geologic Editor 

 Chalmer L. Cooper, M.S., Geologic Editor 

 Dorothy E. Rose, B.S., Technical Editor 

 Kathryn K. Dedman, M.A., Asst. Technical Editor 

 Alma R. Sweeny, A.B., Technical Files Clerk 

 Portia Allyn Smith, Research Assistant 

 Meredith M. Calkins, Geologic Draftsman 

 Leslie D. Vaughan, Asst. Photographer 

 Dolores Thomas Sims. A.B., Geologic Clerk 



Oil and Gas Resources 



Special Staff to Aid in the War Effort 



Underground Water Geology 



Earle F. Taylor, M.S., Asst. Geologist 

 Arnold Brokaw, M.S., Spec. Asst. Geologist 

 M. W. PuLLEN, Jr., M.S., Spec. Asst. Geologist 

 Paul K. Sims, M.S., Spec. Asst. Geologist 

 Allen F. Agnew, M.S., Spec. Asst. Geologist 

 Deane F. Kent, M.S., Spec. Asst. Geologist 

 John A. Harrison, B.S., Spec. Research Assistant 

 (on leave) 



Carl A. Bays, Ph.D., Spec. Geologist 

 C. Leland Horberg, Ph.D., Spec. Asst. Geologist 

 Stewart Folk, M.S., Spec. Asst. Geologist 

 Ernest P. DuBois, Ph.D., Spec. Asst. Geologist 

 Robert R. Storm, A.B., Spec. Asst. Geologist 

 Paul Herbert, Jr., B.S., Spec. Asst. Geologist 

 Charles G. Johnson, A.B., Spec. Asst. Geologist 

 Arnold Eddings, B.A., Spec. Geologic Draftsman 



Consultants: Ceramics, Cullen W. Parmelee, M.S., D.Sc, and Ralph K. Hursh, B.S., University of Hlinois 



Mechanical Engineering, Seichi Konzo, M.S., University of Illinois 

 Topographic Mapping in Cooperation with the United States Geological Survey. 

 This Report is a Contribution of the Division of Stratigraphy and Paleontology. 



August 1. 1942 



