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Show II VANADIUM DEPOSITS OF COLORADO ARE CONTRACTED I A Colorado mining company closed a contract with United States Steel corpo- !, ration subsidiary companies on Friday '' for all the vanadium ores which the pro- ' ducers can ship tho current year. The j 1 first shipment is to be made In April , K00 tons. The only occurrences of va.ua- ' 1 dlum ores In commercially workable quan- ,il titles In this country are in Colorado, (3 jj Utah and Wyoming. In Colorado and IV Utah the vanadium occurs as roscoellte, fii the vanadium mica. In sandstone. ,ij : The principal use for vanadium Is In connection with chromium In Increasing !i the tensile strength of steel. Vanadium steel Is becoming more and more In de- ' mand for railroad and automobile axles IS and hlgr. -speed machinery parts. The ; in United States Steel corporation Is on i the outlook for good vanadium-yielding 1 if propertleF. as the use of forrovanadlum is iifl being specified in many sleel-consuming !lfl trades which follow the practice of the ts jnllghtoned chemical engineers In the Ger-man Ger-man steel Industry. Wall Street Sum- j I mar:A |