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Exhibit L CMLRB 112 Permit Application <br />Agile Stone Systems. Inc. <br />• Three scenarios were established for review recognizing the expected concurrent <br />reclamation and time required to achieve complete reclamation after an azea has been <br />mined. Scenario I identifies the acres requiring reclamation during or at the end of Phase <br />I mining. Scenario II identifies the acres requiring reclamation at the end of Phase II <br />mining. Scenario II does not subtract any acreage reclaimed from Phase I mining. Phase <br />I reclaimed acreage is assumed to take 3-6 years to satisfy state reclamation standards. <br />While the time is excessive, it was assumed to present a conservative estimate of acres <br />for Scenario II. Scenario III allows the release of acreage reclaimed only during Phase I <br />and none from Phase III -another conservative scenario considering the concurrent <br />reclamation plan. <br />Table 2 identifies the operating activities and assumed costs and chazacteristics. <br />Assumptions result in $/acre or $/cubic yazd for each activity. Most costs were obtained <br />from past related work involving a recent WY state valuation hearing, the twenty sixth <br />edition of the Cat handbook and other permit activities. <br />Tables 3, 4 and 5 portray the expected reclamation costs for scenarios I, II and III. All <br />azeas aze evaluated for <br />1) surface prepazation with Rip & Grade, <br />2) top soil loading, hauling and dumping, <br />3) seed grading of dumped top soil <br />4) top soil disking <br />5) hydromulching, fertilizing and seeding <br />6) rubble-izing limited portions of granite and sandstone quarry highwalls <br />No drainage control is included because all azeas aze already controlled with drainage <br />control structures noted and discussed. The gravel azea continues to be surrounded to the <br />west, north and east by the 100' wide unmined buffer. To the south aze visual <br />impairment permanent berms and the perimeter road. Since the gravel and plant azeas <br />developed will be lower than the surrounding topography in highly permeable coarse <br />gravel, there will be no real drainage as demonstrated by the lack of any erosion on the <br />existing gravel baz surface topography. Each quarry has an engineered storm <br />retention diversion berm, associated retention pond and emergency overflow azeas <br />capable of handling 100 year storm events. <br />When finished, each total for each scenario has the concrete removal costs and 20% <br />administration costs calculated and added. <br />• 2 <br />