ASSAYS OF SLAG. 

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



699 



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-four hours. 



Table X. — Daily slag assays. 



