STATE OF ILLINOIS 



HON. DWIGHT H. GREEN, Governor 



DEPARTMENT OF REGISTRATION AND EDUCATION 



HON. FRANK G. THOMPSON, Director 



BOARD OF 

 NATURAL RESOURCES AND CONSERVATION 



HON. FRANK G. THOMPSON, Chairman 



EDSON S. BASTIN, Ph.D., Geology 



WILLIAM A. NOYES, Ph.D., LL.D., Chem.D., D.Sc, 



Chemistry 

 LOUIS R. HOWSON, C.E., Engineering 



WILLIAM TRELEASE, D.Sc, LL.D., Biology 

 EZRA JACOB KRAUS, Ph.D., D.Sc., Forestrv 

 ARTHUR CUTTS WILLARD, D.Engr., LL.D., 

 President of the University of Illinois 



STATE GEOLOGICAL SURVEY DIVISION 



URBANA 



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



ENID TOWNLEY, M.S., Assistant to the Chief 



JANE TITCOMB, M.A., Geological Assistant 



GEOLOGICAL RESOURCES 



GEOCHEMISTRY 



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 

 J. NORMAN PAYNE, Ph.D., Asst. Geologist 

 CHARLES C. BOLEY, M.S., Asst. Mining Eng. 

 BRYAN PARKS, M.S., Asst. Geologist 



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 

 G. V. COHEE, Ph.D., Asst. Geologist 

 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., Research Assistant 

 WAYNE F. MEENTS, Research Assistant 



Areal and Engineering Geology 



GEORGE E. EKBLAW, Ph.D., Geologist and Head 

 RICHARD F. FISHER, Asst. Geologist 



Subsurface Geology 



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

 TRACY GILLETTE, Ph.D., Asst. 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 



Stratigraphy and Paleontology 



J. MARVIN WELLER, Ph.D., Geologist and Head 

 CHALMER L. COOPER, M.S., Assoc. Geologist 



Petrography 



RALPH E. GRIM, Ph.D., Petrographer 



RICHARDS A. ROWLAND, Ph.D.. Asst. Petrographer 



Physics 



R. J. PIERSOL, Ph.D., Physicist 



DONALD O. HOLLAND, M.S., Asst. Physicist 



PAUL F. ELARDE, B.S., Asst. Physicist 



FRANK H. REED, Ph.D., Chief Chemist 



ROBERTA M. LANGENSTEIN, B.S., Chemical Assistant 



Coal 



G. R. YOHE, Ph.D., Assoc. Chemist 

 MYRON H. WILT, B.S., Research Assistant 



Industrial Minerals 



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

 DELBERT L. HANNA, M.S., 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 



Analytical 



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



L. D. McVICKER, B.S., Asst. Chemist 



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



ARNOLD J. VERAGUTH, M.S., Asst. Chemist 



WILLIAM F. WAGNER, M.S., Asst. Chemist 



K. F. BURSACK, B.A., 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, Asst. Technical Files Clerk 

 RUTH E. ROTH, B.S., Asst. Technical Files Clerk 

 MEREDITH M. CALKINS, Geologic Draftsman 

 LESLIE D. VAUGHAN, Asst. Photographer 

 DOLORES THOMAS SIMS, B.A., Geologic Clerk 



Consultants: Ceramics, CULLEN W. PARMELEE, M.S., D.Sc, and RALPH K. HURSH, B.S., University of Illinois; 

 Pleistocene Invertebrate Paleontology, FRANK COLLINS BAKER, B.S., University of Illinois; 

 Mechanical Engineering, SEICHI KONZO, M.S., Universily of Illinois. 

 Topographic Mapping in Cooperation with the United States Geological Survey. 

 This Report is a Contribution of the Coal Division, Geological Resources Section. 



August 1, 1911 

 2 



jK'i'NO'S STATE GEOLOGICAL SURVEY 



3 3051 00005 7103 



