6 4 



NEW YORK STATE MUSEUM 



The rock has been severely squeezed to an amorphous (really 

 microcrystalline) condition. The percentages of mica and clay sub- 

 stances furnish a serious problem in the matter of separation. The 

 pits farther west, designated as no. i, no. 2 . and the Joan pits, 

 show nearly the same characters, but the rock is not much weathered, 

 while the South Side pit shows some variation. This difference 

 leads Bastin 1 to think that the north and south beds were different 



Fig. 12 Plane table map of the " Eutoka " pit on the Bly prop- 

 erty. G. H. Chadwick and H. L. Ailing, 1917. 



and distinct. But it must be remembered that although today they 

 are near together they were separated by one-fourth of a mile at 



Bastin, E. S., Mineral Resources, U. S. G. S., 1908, 2:726. 



