U.S. GEOLOGICAL SURVEY 



GEOLOGY OF LEADV1LLE PLXXTV 



//-,/, BEVERBEHATORY KI'IiNACK 



Scale 1 mcti to 6 feet.or ' 



l|-<l,Motullur(iiHt . 



RK\->:RBERATORY FURNACE 



AND DUST CHAMBKK 

 SMEI/FER A. 



