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Portal Fnce 4 Reclaimed slope <br />Corrugnted <br />metal tunnel to f1 A <br />be removed ton ~ <br />minimum of 4' below ~ i <br />reclaimed slope ar to ~ l <br />below bedrock i 4, <br />Area between <br />seal and <br />reclaimed slope <br />to be bnckfllled 2' min <br />mnterfal <br />with incombustnble A,J <br />Concrete blocks, bricks, the <br />or concrete <br />Sealing of mine portal - Alternative A <br />Portal Fnce 6 <br />Corrugnted <br />metal tunnel to <br />be removed to n <br />minimum of 4' below <br />reclaimed slope or <br />below bedrock <br />Reclntmed slope Incombustible material <br />a minimum distance of <br />n _ ~,_{~25 feet into opening. <br />~' '° i <br />.'. <br />ii a ' . p ~A <br />~ .. ° . <br />;~ <br />,: <br />.. ~e ~, _. <br />. a;~, ~, <br />.. d ~ ~.~ <br />e <br />~ .. <br />Sealing of mine portal - Alternative B <br />Keyway <br />Existing opening <br />Sealing of slope or drift openings per 30 CFR 75.1711-2 and Section 4.07.3. <br />I/GVN $Y sCW nEIXEO BY TITLE <br />BLUE MOUNTAIN ENERGY, INC. n~rE 01/24/2001 TMTE Figure V-1 <br />DESERADO MINE s~E NTS ~~~ eT Permanent Sealing <br />RANGELY, COLORADO rNTE Of Slope Entries <br />Portnl-senl.dwg <br />Rev. 01/2001 v-at <br />Jec~Cion H - H" <br />