SCIENTIFIC STAFF 



Wm. Bullock Claek State Geologist. 



superintendent of the survey. 



Edward B. Mathews, . . . Assistant State Geologist. 



Charles K. Swartz, Geologist. 



Edward W. Berry, . Geologist. 



J. T. Singewald, Jr., Geologist. 



J. A. Gardner, Geologist. 



And with the cooperation of several members of the scientific bureaus 

 of the National Government. 



