SCIENTIFIC STAFF. 

 I. C. WHITE *. .State Geologist 



SUPERINTENDENT OF THE SURVEY. 



RAY V. HENNEN Assistant Geologist 



CHARLES E. KREBS_ Assistant Geologist 



DAVID B. REGER Assistant Geologist 



D. D. TEETS, JR Field Assistant 



BERT H. HITE _ Chief Chemist 



JAN B. KRAK Assistant Chemist 



EARL M. HENNEN _ '. Chief Clerk 



JENKIN L. WILLIAMS Stenographer 



