U SGEOLOGICAI^ SUR"\TSY 



GEOLOGY OF LEADAILLE, PL. xyxiTT 



DUST CHAMBER SMELTER M 



Fy 1 ELEVATION 



FURNACE SMELTER F 



Scale 1 inch to 6 feet, or i,72 



A. (iuvnrd. Metallurgist. 



JullusBienil-olUl; 



FURNACE AND DUST CHAAffiER 

 SMELTERS F &M. 



