THE 



GEOLOGICAL FORMATIONS 



CROSSED BY THE 



Igwu^ # Quango valleg l(ailr0ail t 



TOGETHER WITH A SKETCH OF THE 



HYDROORAPHY AND VALLEY FORMATIONS 



OF 



Madison and Onondaga Counties 



A THESIS FOR THE DEGREE OF Ph. D. 



LUCIEN M. UNDERWOOD. 



LII 







GARDEN 



SYRACUSE, N. Y. 

 STANDARD PUBLISHING COMPANY. 



1870. 



