SCIENTIFIC STAFF 



EDWARD BENNETT MATHEWS, .... STATE GEOLOGIST. 

 SUPERINTENDENT OF THE SURVEY 



EDWARD W. BERRY, . . . ASSISTANT STATE GEOLOGIST. 



CHARLES K. SWARTZ, GEOLOGIST. 



J. T. SINGEWALD, JR., ' GEOLOGIST. 



EUGENE H. SAPP, . . . .... . ASSISTANT. 



Miss MYRA ALE, SECRETARY. 



