ASSAYS OF SLAG. 699 



Fire assays of slap, by Dr. M. W. lies, made at Grant smelter. 



The following table is of assays of slag and of corresponding bullion, made daily 

 by the writer at one of the Leadville smelters, and represents the work done in each 

 furnace in twenty-fouT hours. 



TABLE X. Daily slag assays. 



