Iron mines and mining--Iron County (Utah); Utah International, Inc.
Display of rotary tric-cone bit used with Stanton carbide. Used for drilling holes in very hard iron ore. Holes were then loaded with explosives. On picture, :Rl #2 666288 1485" 51 1/2 HR total."
Iron mines and mining--Iron County (Utah); Utah International, Inc.
Display of rotary tric-cone bit used with Stanton carbide. Used for drilling holes in very hard iron ore. Holes were then loaded with explosives. On picture, "784 Ft. 25 1/2 HR."
Iron mines and mining--Iron County (Utah); Mining machinery; Utah International, Inc.
Display of rotary tric-cone bit used with Stanton carbide. Used for drilling holes in very hard iron ore. Holes were then loaded with explosives. On picture, " Oct. 25 1952 #66289 482" 22 1/4 HR."
Iron mines and mining--Iron County (Utah); Utah International, Inc.
Early development in the Burke Pit. Burke Pit was owned by US Steel (United States Steels), contractual work by Utah International, Inc. Rex Ore body In the background.