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<br />EXHIBIT D - Hining Plan <br />Excavation Process - Actual excavation in this pit involves a two <br />step process. First, r_he over burden which overages 2 to 3 feet <br />in depth, is removed. It i.s then stuck piled for Yvture <br />reclamation use. The second step involves mining the exposed <br />sand and gravel using a front end loader. <br />It we are working in a corner of near the edge of the limits of <br />the pit, we incorporate the grading and sloping into the minine <br />process. 'I he total surface area mined in anv one vear world not <br />exceed 112 acre. <br />In order to avoid exposed ground water, we can only mine to a <br />maximum depth of around 15 teat. 1'he ditterent strata of <br />materials are shown on following page, (mining plan cont.). <br />Time_tab.les and_F_ut.ure_Migi.nR - At present, we have approximaCeLv <br />'i.7 more acres to mine in present permit area. (rater to mining <br />map).' The level of construction activity will determine how much <br />mining will take place in the next taw years, but conceivably we <br />could be tinished mining in present permit area around 1998. <br />After that time, we would then start minine in a souCherJv <br />direction in existing pit, hence the need to convert this permit. <br />to a regular permit. This additional permitted acreage (rater to <br />mining map), is contiguous to present permit. The land is no <br />longer used for farming or grazing and has almost no vegetation <br />on it. It is almost impossible to say how lone mining will take <br />place, but it 11'1 acre per year was mined, mining could still be <br />taking place in the year 'Lldl5. The last area to be mined and re- <br />claimed will be in the southwest corner of new permitted area <br />(rater to mining map - 2025). <br />5 <br />