MINERAL ECONOMICS GROUP 



W. H. VosKuiL, Ph.D., Principal Mineral Economist Hubert E. Risser, Ph.D., Mineral Economist 



W. L. BuscH, A.B., Associate Mineral Economist 



ADMINISTRATIVE GROUP 



EDUCATIONAL EXTENSION 



George M. Wilson, M.S., Geologist and Head 

 Ira E. Odom, B.A., Research Assistant 

 Shirley Trueblood, B.S., Research Assistant 



GENERAL SCIENTIFIC INFORMATION 



Arlene Green, Technical Assistant 



Del Marie Rogers, B.A., Technical Assistant 



PUBLICATIONS 



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

 Meredith M. Calkins, Geologic Draftsman 

 Betty M. Lynch, B.Ed., Assistant Technical Editor 

 Donna R. Wilson, Assistant Geologic Draftsman 



MINERAL RESOURCE RECORDS 



Vivian Gordon, Head 



Betty J. Hanagan, M.S., Technical Assistant 

 Hannah Fisher, Technical Assistant 

 Rosalie Pritchard, Technical Assistant 

 Helen Ross, B.A., Technical Assistant 

 Yvonne M. Sather, Technical Assistant 

 Barbara L. Scott, 6. A., Technical Assistant 

 Elizabeth Speer, Technical Assistant 

 Carolyn Verret, Technical Assistant 



TECHNICAL RECORDS 



Berenice Reed, Supervisory Technical Assistant 

 Judith Flach, Technical Assistant 

 Miriam Hatch, Technical Assistant 



LIBRARY 



Olive B. Ruehe, B.S., Geological Librarian 

 Beverly Ann Ohren, B.S., Technical Assistant 



FINANCIAL RECORDS 



Velda a. Millard, In Charge 

 Eleanor A. Drabik, B.A., Clerk IV 

 Virginia C. Sanderson, B.S., Clerk-Typist III 

 Carolyn S. Toppe, Clerk-Typist II 

 Patricia A. Northrup, Clerk-Typist I 



* Divided time 



Topographic mapping- in cooperation with the 

 United States Geological Survey 



March L 1958 



SPECIAL TECHNICAL SERVICES 



William Dale Farris, Research Associate 

 Beulah M. Unfer, Technical Assistant 

 A. W. Gotstein, Research Associate 

 Glenn G. Poor, Research Associate* 

 Gilbert L. Tinberg, Technical Assistant 

 Wayne W. Nofftz, Supervisory Technical Assistant 

 DoNovoN M. Watkins, Technical Assistant 

 Mary Cecil, Supervisory Technical Assistant 

 Ruby D. Prison, Technical Assistant 



CLERICAL SERVICES 



Mary M. Sullivan, Clerk-Stenographer III 

 Rita J. Nortrup, Clerk-Stenographer II 

 Lillian W. Powers, Clerk- Stenographer II 

 Marilyn Bevill, Clerk- Stenographer I 

 Barbara A. Carling, Clerk- Stenographer I 

 Marilyn Scott, Clerk- Stenographer I 

 Edna M. Yeargin, Clerk-Stenographer I 

 Laurel F. Griffin, Clerk-Typist I 

 Ann Vriner, Clerk-Typist I 

 William L. Mathis, Messenger-Clerk II 

 Joseph R. Evans, Messenger-Clerk I 



AUTOMOTIVE SERVICE 

 Glenn G. Poor, In Charge* 

 Robert O. Ellis, Automotive Shop Foreman 

 David B. Cooley, Automotive Mechanic 

 Everette Edwards, Automotive Mechanic 



RESEARCH AFFILIATES 



J Harlen Bretz, Ph.D., University of Chicago 

 Stanley E. Harris, Jr., Ph.D., Southern Illinois 



University 

 M. M. Leighton, Ph.D., D.Sc, Research Pro- 

 fessional Scientist^ State Geological Survey 

 A. Byron Leonard, Ph.D., University of Kansas 

 Carl B. Rexroad, Ph.D., Texas Technological 



College 

 Walter D. Rose, B.S., University of Illinois 

 Paul R. Shaffer, Ph.D., University of Illinois 

 Harold R. Wanless, Ph.D., University of Illinois 

 Paul A. Witherspoon, Ph.D., University of Cali- 

 fornia 



CONSULTANTS 



George W. White, Ph.D., University of Illinois 

 Ralph E. Grim, Ph.D., University of Illinois 



