SCIENTIFIC STAFF 



Wm. Bullock Clabk, State Geologist. 



superintendent of the survey. 



Edward B. Mathews, 

 Charles K. Swartz, 

 Edward W. Berry, 

 J. T. Singewald, Jr., 



J. A. Gardner, 



Assistant State Geologist. 

 Geologist. 

 Geologist. 

 Geologist. 

 Geologist. 



And with the cooperation of several members of the scientific bureaus 

 of the Xational Government. 



