Show THE CEMENT INDUSTRY IN 1904 the united states geological survey has issued the following statement regarding the production of hydraulic cement in the united states for the calendar year 1904 this statement state meni is preliminary to the annual report on the production of cement which is now in preparation the total production of portland natural rock and slag or zolan cements in 1904 was barrels valued at these figures show a marked falling off in price when compared with prices for 1903 the production for 1903 amounted to barrels of hydraulic cement valued at in the production for 1904 there is a gain of barrels over that for 1903 but in the value of the cement produced there is a loss of of the total amount of cement manufactured in the united states in 1904 barrels were portland cement valued at barrels were natural rock cement worth and barrels were slag or zolan cement with a value of |