Section 225 ILCS 720/3.26 - Variances for Joint Surface and Underground Mining(a) Where the applicant proposes to combine surface mining operations with underground mining operations to assure maximum practical recovery of the mineral resources, the Department may grant a variance for specific areas within the reclamation plan from the requirement that reclamation efforts proceed as contemporaneously as practicable to permit underground mining operations prior to reclamation if the Department finds in writing that: (1) the applicant has presented, as part of the permit application, specific, feasible plans for the proposed underground mining operations;(2) the proposed underground mining operations are necessary or desirable to assure maximum practical recovery of the mineral resource and will avoid multiple disturbance of the surface;(3) the applicant has satisfactorily demonstrated that the plan for the underground mining operations conforms to requirements for underground mining in the State and that all permits necessary for the underground mining operations have been issued;(4) the areas proposed for the variance have been shown by the applicant to be necessary for the implementing of the proposed underground mining operations;(5) no substantial adverse environmental damage, either onsite or offsite, will result from the delay in completion of reclamation as required by this Act; and(6) provisions for the offsite storage of spoil will comply with Section 3.17.(b) Such operations shall comply with any additional requirements promulgated under this Act. Variances granted under this Section shall be reviewed by the Department not more than 3 years after the issuance of the permit. Liability under the bond filed by the applicant with the Department under Section 6.01 shall be for the duration of the underground mining operations and until the requirements of this Section and Section 6.08 have been fully complied with.