2012-02-24_REVISION - M1999120 (7)

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MINING PLAN EXHIBIT D (CONT) The areas being added have been used primarily as agricul- tural land. The western parcels produced food crops such as lettuce, squash, onions, etc. The eastern parcels were used for corn, and alfalfa production and the Blue Ribbon area was a tree farm. The surrounding land uses are primarily agricultural in nature. The applicant will bond the amended property in phases, and wishes to retain the option to line each phase with either a slurry wall or a clay liner until just prior to bonding that particular phase. At the current time, slurry walls have been constructed around the mined areas in both mines and compacted slopes are constructed around the mined areas. At any given time, mining and reclamation may be occurring in one or more bonded phases to accommodate blending of materials and relocation of the processing plant and settling ponds. There will be times when reclamation is being completed in one phase while mining begins in another phase. The arrows on EXHIBITC -1- MINING PLANMAP show how mining will progress through the mine area at this time. The order of mining in the southern stages will be determined at a later time, and implemented via the Division's Technical Revision and stage bonding processes. Optional Mining and Reclamation Plans. Due to the constantly expanding and changing development nature of the oil and gas and other utility operations in this area, L.G. Everist is submitting these Optional Mining and Reclamation Plans with this amendment to guarantee the flexibil- ity to make changes to mining areas and reservoir shapes through- out the life of the mine. During the planning stages for this amendment application, we have been in contact with oil and gas and utility companies and have discussed future structure and easement changes, including plans to relocate some of their facilities, plans to remove some of the older wells and facili- ties, and plans for oil and gas companies to add new structures as their permitting allows. For example, since mining began on the existing permit area, TOP Operating Company has abandoned 2 oil wells and plans to shut in (abandon) more in the next few years. In the Hill- Oakley phase, TOP Operating abandoned their well after the mining was completed, so the abandoned well was left on a well pad peninsula in the reservoir area resulting in a significant amount of gravel being left unmined. In order to recoup the gravel and future reservoir volume, L.G. Everist went back into the completed phase and mined out the well pad peninsula after the abandoned well had been properly removed. L.G. Everist submitted a Technical Revision to the Division to the reclamation plan map showing removal of this well and well pad. We expect that there will be many additional changes in the future similar to this example that are not known at the time of this amendment submittal. As mining progresses through the mine and into a new area it may be to our advantage - or we may be required by law to allow 4