Q 



aiverslty ol the State ol New York Bulletin 



Entered as second-class matter August 2, 1013, at the Post Office at Albany, N. Y., under 

 the act of August 24, 1912 



Published fortnightly 



No. 573 



ALBANY, N. Y. 



AUGUST 15, 1914 



CD 



New York State Museum 



JOHN M. CLARKE, Director 

 Museum Bulletin 172 



GEOLOGY OF THE ATTICA-DEPEW 

 QUADRANGLES 



BY 



D. D. LUTHER 



Siluric 



fi UNI< 







ALBANY 



THE UNIVERSITY OP THE STATE OF NEW YORK 

 1914 





