S, GEOLOGICAL SURVEY 



GEOLOGY OF LEADAaLLE, PL SXVB 



^?r' 



Fia 3 SECTION ON 0(f 



Casllron WroiiShl Iroa "ay 



■sir 1 inch to 6 I'Cft 



F^ 2 SECTION ON Ufi 



A ''.mnraMclnllur 



CIRCULAR FURXACK. 



s.Mi;i.rKn b. 



