Mich. Comp. Laws § 207.279: Specific taxes in lieu of ad valorem taxes.

Sec. 9.

The specific taxes provided for in this act shall be in lieu of all ad valorem taxes upon the property to which the specific taxes apply, including, without limitation, the ore property, the beneficiating facilities, the agglomerating facilities, the ore in its natural state as mined, the beneficiated ore, the agglomerated ore, and the lands occupied by or used in connection with the mining, beneficiating, agglomerating and transporting of the underground ore.