If 



j. A quarry is operated by 



. but t' ater number of quarries lie in 



much Btone raoted - The 



. medium to fine grained and is used 



•:.l furnace flux The principal quarry at Leroy 



I, but in— t. of the quarries are at Lime 



tly Bmall, and many of 



but tlmse from chert (and th< at 



tin much as :; feet thi< ry good quality. The 



>y limestone from Iluwells quarry was 

 Uy fur' by the Tonawanda Iron & Steel co. 



Lii: 92. 4G 



Magnesia carbonate 1.86 



Silica 5 



imina 6 



99.92 



analysis made of a sample collected by the writer from 

 quarry yielded: 



5-9G 



mina 3.16 



1 1.34 



49.07 



1 . 4 4 



id 40.13 



101.1 



Thr third a 1 shows composition of lime, furnished by 



W. S. B at ] 



94 



1.4 



1.1 



3.2 



>' 



100 



