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Show 45 Five iron deposits ore Mining Company The Columbia Iron the Colorado Fuel &: Iron and the Utah Construction Beatty and the Great in 1948 worked in Iron were mined per cent iron at the Iron Mountain ore worked the Ore Western Mines. averaged 53.9 in 1949. at the Blowout and Duncan Corporation Company County Mine; Mines, Excelsior, the Helen E. shipped (natural); 53 from these mines 0.06 per cent manganese; 0.18 per cent phosphorus; 8.8 per cent silica; 1. 7 per cent lime, and 3.2 per cent water. Columbia Iron ore 54 The Desert Mound Mine was the reopened by . late in 1950. Mining Company The lower silica content mined at Iron Mountain and Desert Mound is for open-hearth use, while the general mine to Geneva shipped run ore goes into the blast furnaces at Geneva and Ironton. In the mence were twenty-year period from 1923-1943 (Geneva did operations until January, mined in Iron 55 County. 1944) mined in the satisfactory quality, States. County 56 as compared deposits ore conditions for labor cost and favorable over open-pit productivity, to other Table 3 shows four times occur as much Table (See ore mechanized major producing have been areas was provide particularly in the United iron ores from 53U• S. Minerals Yearbook (1949), p. 617. 54U. S. Bureau of Mines, Minerals Yearbook (1948), p. 645. 55 Bureau of Mines, Young, :;:: ------------------ OPe ci t, , p. also Mahoney, Ore operations. and taxation, as 2) in formations that comparative analysis of a ore production in the years 1944- preceding twenty-year period. The Iron com- 5,347,810 gross tons of iron Iron ore 1951 totaled 21,421,286 gross tons, not 4. "The Western Steel Industry, " OPe c it ; , p. 15. |
