10 



New York State Museum 



Allegheny valley, nowhere apparently penetrating into 

 the bottom of the valley. The surface geology of the 

 area shows most plainly the characteristics of an un- 

 glaciated region, which is reflected to some extent upon 

 the composition of the present vegetation. This is most 

 marked if we consider only the vegetation of the hills 

 and valleys of the park area proper situated south of the 

 bend of the Allegheny river. In the Allegheny valley 

 the accumulation of gravels, sand and clay from the 



or rr/\mo 



PEN K SYLVAMIA 



Figure 2 Sketch map showing the location of the Allegany State 

 Park with reference to western New York 



closely adjacent front of the ice during the glacial period 

 has produced a peculiar combination of conditions which 

 deserves a more extended ecological study. 



