^oTI^' 



Education Department Bulletin ,, 



Published fortnightly by the University of the State of New York 



Entered as second-cUss matter June 24, 1908, at the Post OfBce at Albany, n. Y., under 



the act of July 16, 1894 



No. 509 



ALBANY, N. Y. 



December 15, 1911 



New York State. Museum 



John M. Clarke, Director 



Museum Bulletin 154 



GLACIAL GEOLOGY OF THE SCHENECTADY 



QUADRANGLE 



BY 



JAMES H. STOLLER 



PAGE 



PAGE 



Introduction 5 | Economic values of the Lake Al- 



Topography due to rock surfaces. 5 

 Modifications of rock topography 



during Pleistocene period 9 



Surface deposits 14 



bany deposits 24 



Modified till 28 



Recent deposits 37 



Review and summary 39 



index . . ." 43 



Mjr-Myii-isoo 



ALBANY 



UNIVERSITY OF THE STATE OF NEW YORK 

 191 I 



