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The plan shows this area as an "Industrial" and an "Open Mining" use. The plan called for various alternatives to control water flow from this and adjacent lands. Although this study is further addressed in the Reclamation Plan, Exhibit E, at this point soft-ice it to say that all future planning of detention and sedimentation basins will be done in coordination with the drainage district. As plans become more firmly defined, if changes are needed in this permit they will be submitted as technical revisions and will include all standards and requirements defined by the drainage district. PHASING: The four phases identified here represent fairly distinct operational units on this side of the highway. Following is a brief description of the distinctions between the phases. The phases are not intended to represent sequential units of operation along a time dimension, but only differences in activities that will occur on different parcels of land. Phase 1 W: This phase, located in the extreme northwestern corner of this part of the operation, is mainly a reclamation phase. This azea was formerly included in the permitted land trade covered by Technical Revision Ml. Mining and bacldilling with washing fines has been completed. Most of the land has been graded and is or soon will be topsoiled and revegetated. Of the four phases on the west side of the highway, this is the only one where significant mining activity will not occur. Phase 2W: This includes the land under Technical Revision dl that has not yet been completed. Currently, mining is being done in one area and future areas are expected to be opened. • The other operational feature in this phase is the ready miz plant. Phase 3W: This phase includes essentially all the land previously covered by Castle Concrete Company's Sand Pit permit. In the 1985 amendments to that permit and this permit, the reclamation plan for both areas were integrated. This amendment goes one step further. It merges the two operations under one permit. Although some mining will occur here in the neat couple of years, most of the activity in this phase is essentially reclamation. The area will be partially backfilled with wash fines from the processing plant in Phase 4W. Other materials (e.g. broken concrete and other non-decomposable construction waste) will be hauled in to add to and accelerate the backtilling. For a detailed description of this process, please refer to Exhibit E, Reclamation Plan. Phase 4W: This large phase includes all the processing, stockpiling, and distribution facilities far the entire operation. Activities here produce the materials utilized in reclaiming phases 2W and 3W and may produce some bacldill materials for other parts of the permit. • west of Academy Mining Plan Page D-6