Show smelter slag Is being used in road building 0 use of smelter slag la in road con st ruction is being considered by E L burgon commissioner in charge of the roads and bridges department e in his annual report of salt lako county mr burgon calls attention to the fact that three quarters of a mile of roadway in which slag was used instead of crushed rock was constructed last year in bi south jordan the strip was sub ejected to hard usage but has re r isted the wear in a satisfactory manner the substitution of slag tor for crushed rock resulted in a sav say ing which enabled the county to lay twice as heavy a base as ordinarily used and the total cost was only ono third as much as paving according to mr burgon |