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~~ ~_ ~- _~ ---~ _ ~ III IIIIIIIIIIIII III <br />- A <br />J.vwarv 8, ].981 <br />Review of ;-line Pl:u~ dated October 27, 1980 <br />SUnf loY)er Energy Corporation <br />ltluc Ribbon Ptine <br />Coal subl.easc C-033301 <br />Della County, Colorado <br />i.essec informnt ion: <br />N omc: Sun (.Lo•.!cr ~•`.nc rgy Corporation <br />Locnl :\ddres~: Sn+r !:ri~.r~ !:,~~ '~l <br />pa nnt:+, C,~Cnra<L> 3142S <br />CorporaCe '~.ddress: 770 Grant Street h2 <br />Uenvcr, Colorado 50203 <br />The mining and recla!nntion plan Cor [he 61ue R.ibbun Pfine was submitted <br />by Sunflower G:nert;y~ Corporation to the Office of Surface Pl.ining on <br />October 27, ].980. <br />The Blue Ribbon Fti ne is presently operating an underground mine nn <br />125.'? acres of Cec land along Hubbard Creek, approximately 2-1/2 <br />miles north of Bowie, Uelta County, Colorado (T. 13 5., R. 91 [J.). <br />Sunflower Energy Corporation proposes to expand this operation Co incor- <br />porate 85 acres i:~hich ha•de been s+ibleased from U. S. Steel's Federal lease <br />C-033301. This subleosc Y:as Sssucd on September ].9, 1977. <br />Description of Ex ist in~~ Cnv iroument <br />The mine plan proposes to mine on.1y the "G° or Ilawksnest seam of the <br />Upper Cual i~tember oC the Crc C:~ccous ~tcsa Verde Forma[ion. 'Phis seam <br />is [he uppermost of f.i.ve crnnmcrc~inl cued. scams in th-~ Iense area and is <br />t'ne only scam included in the sublease. to Sunflower energy Corporation. <br />The "('," scam avcr.ngos ~ Cent in [hicl:ncss and h:+s an estimated Recover- <br />able Reserve oC 490,000 tons within the 85 acre sublease C-033301. <br />Quality analysis of "E" seam coal from e%:isting operations en fee land, <br />as received, shoos 3.8 percen[ ash, 0.5 percent sulfur, 40.3 percent <br />volatile matter, 54.7 percent ii:;ed carbon, 13,030 Btu/16., a grinda- <br />bility of 54, and an ash fusion temperature oC 2330°. <br />The "C" scam is located approximately 280 Ceet below the surface and 180 <br />feet above the next mineable coal, "D" seam. Both the floor and roof <br />rock are composed of a dark grey shale to shaley sandstone. The local <br />strata strike North 77° hest dipping 3-5° to the Northeast. <br />