Section 324.61002 - Inventory and categorization of land; contract(1) Within 4 years after the effective date of this section, the department shall complete an inventory of all land under the jurisdiction of the department and shall categorize the land as follows: (a) All land in which the department owns both the surface rights and the oil and gas rights.(b) All land in which the department owns the surface rights but not the oil and gas rights.(c) All land in which the department owns the oil and gas rights but not the surface rights.(2) The department may contract for the completion of the inventory under subsection (1).Add. 1998, Act 117, Imd. Eff. 6/9/1998 .