MEMBERS OF THE UNIVERSITY GEOLOGICAL SURVEY. 
FRANK STRONG, PH. D., 
Chancellor, and ez officio Director of the Survey. 
ERASMUS HAWORTH, PH. D., 
State Geologist. 
FOR VOLUME IX. 
ERASMUS HAWORTH, State Geologist. 
Rev. JOHN BENNETT, Assistant Geologist. 
E. H. SELLARDS, PH. D., Paleo-Botanist. 
A. F. ROGERS, PH. D., 
J. W. BEEDE, PH. D., 
130 12, CAONG, 1e%8, 1D), j 
D. F. McFARLAND, M. A., ! 
F. W. BUSHONG, Chemist for Oil Analyses. 
(iv) 
‘ Paleontologists. 
Chemists for Gas Analyses. 
