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6.4.4 Exhibit D <br /> Mining Plan <br /> The 44th Lane Project proposes mining the mesas known as Badger Hills in <br /> eastern Pueblo County. The site is located south of Olson Road and east of 40th <br /> Lane. The target reserve is the Cascajo gravel terrace that ranges in thickness from <br /> 10 to 15 feet. Gravel will be mined to shale or clay loam, whichever is encountered <br /> first below the gravel. Topsoil and overburden is minimal with prominent gravel <br /> outcrops. The primary commodity is gravel with fines as a potential secondary <br /> commodity. <br /> The life of 44th Lane Project is market driven. The life of the operation may <br /> range from 10 to 15 years or two (2) to three (3) years per phase. Approximately <br /> 25 to 35 acres will be mined each year. Fremont requests a phased bonding of <br /> affected area. The initial bond will include the 15-acre processing and stockpile area, <br /> 78 acres of mine area in Phase 1 and it acres of access road for a total of 104 <br /> acres. The access road extends to 3e Lane, a Pueblo County commercial vehicle <br /> corridor (Amended Pueblo Area 2035 Long Range Transportation Plan, pg 2-13, <br /> 2010), and will be utilized for the life of the mine. <br /> The mine will develop in four (4) phases each encompassing one Cascajo <br /> gravel mesa. Each phase will be bonded prior to commencement of mining. To <br /> protect the view shed of the neighbors to the west and north, Fremont is proposing a <br /> View Shed Buffer Area between the west and north faces of the mesa and the permit <br /> boundary. The mesa face in the buffer area will remain undisturbed during mining. <br /> Mining will begin in Phase 1 on the mesa in the southwest portion of the permit area. <br /> Of the approximately 600 acres in Phase 1 only 78.17 acres will be mined and 15 <br /> acres will be used for stockpiles, leaving over 500 acres undisturbed in Phase 1. <br /> Please refer to the chart below for disturbed versus undisturbed acres in each phase. <br /> Mining will proceed in a counterclockwise rotation to subsequent mesas, ending on <br /> the northeast mesa or Phase IV. <br /> Acreage Chart <br /> Total Permit Area 1 1471.00 ac. <br /> Proposed Mined Area per Phase <br /> Phase 1 78.17 ac. <br /> Phase II 71.94 ac. <br /> Phase 111 81.93 ac. <br /> Phase IV 74.86 ac. <br /> Processing and Haul Road <br /> Disturbance per Phase <br /> Phase 1 15.00 ac. <br /> Phase II 15.00 ac. <br /> Phase III 15.00 ac. <br /> Phase IV 15.00 ac. <br /> Disturbed Area 366.90 ac. <br /> Undisturbed Area 1104.10 ac. <br /> 4 <br />