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<br /> <br />E:CHIBIT "D" <br />MINING PLAN <br />Thi•a operation will be similar to other clay pits southwest <br />of Calhan in EI Paso County. Topsoil varies from 4-7", and <br />overburden varies from 2' - 10', with an SCS reported average <br />of about 2' The clay seam appears to vary from 10'- 20' in <br />depth. <br />Notice is hereby given that this. pit will normally be oper- <br />ated less than 6 months per year, and the operator reque:-.ts <br />that this not be considered temporary cessation. Rule 1.6.2 <br />states in part: a permit granted pursuant to Rules 2 or 3 <br />shall continue in effect as long as .......... operator has <br />included in their permit applications, a statement that the <br />affected lands are to be used for less. than one hundred <br />eighty (180) days per year." <br />la) Mining Methods <br />Mining will start at the south of the area designated as <br />Phase 1 in the southwest corner. Strips 40'-60' wide, west to <br />east, and 150' long south to north will be excavated by <br />scraper, with possibly some dozer or front end loader use. <br />These strips will keep the expo:;ed area to the minimum. Top- <br />soil on the first 2 strips will be placed in the buffer zone <br />on the west next to the fence. Overburden from the first <br />strip will be stockpiled on the buffer gone east of the top- <br />soil stockpile. These 2 stockpiles will remain undisturbed <br />until Phase 1 is entirely excavated. and then will be moved <br />to the north end to complete backsloping, filling and <br />topsoiling. The following sequence will be used in the bal- <br />ance of the mining strips. <br />1. Topsoil will be stripped and spread on the <br />2nd previous r_ut. <br />2. Overburden will be <br />1st previous cut. <br />.tripped and spread in the <br />This keeps the distance to move bath top.oil and overburden <br />to a minimum, and reclamation is made a part of the mining <br />operation, rather than being separate cost items. Stockpil- <br />ing is also eliminated, except for the start of the operation <br />described above. <br />Mined clay will be stockpiled on the south end of the mined <br />area for loading and hauling off site to tFie operator's. brick <br />plant in Pueblo. <br />