Minnesota Statutes Excise and Sales Taxes (Ch. 296-299) § 298.394. Nature of tax

Such tax shall be in addition to the occupation tax imposed upon the business of mining and producing iron ore and in addition to the royalty tax imposed upon royalties received for permission to mine and produce iron ore. Except as herein otherwise provided, it shall be in lieu of all other taxes upon the agglomerating facility or upon the production of agglomerates and other merchantable iron ore products therein, or upon the agglomerates and other products so produced.