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LEGEND <br />- - - - -- -Ditch <br />Culvert <br />D # -# Ditch Number <br />C # -# Culvert Number <br />Small Area Exemptions <br />See Exhibit 66 <br />for Demonstrations and Details <br />F French Drain <br />Note: <br />• Berms have been constructed primarily for <br />vehicle safety. <br />• Silt fences are constructed at various sites as added <br />sediment control, or to slow sheet flow velocities. <br />• Miscellaneous internal ditches and culverts <br />may be added to facilitate access, eta <br />df added, they would be sized equivalent to or <br />greater than the next downstream ditch or culvert. <br />• Due to limited level space an the Mine site, supplies <br />and materials may be stored along roads and other <br />open, previously disturbed areas, within the drainage <br />control system, except pond embankments, topsoil stock- <br />piles, and permanently revegetated areas though not <br />identified as such on this map. Storage areas will be <br />consolidated as possible. <br />NOV U 1 2008 <br />Usv s F.dctamation, <br />Mining and Safely <br />RANGE 90 WEST, TOWNSHIP 13 SOUTH <br />`MOUNTAIN COAL WEST ELK MINE <br />THE CHANGES TO THIS DRAWING WERE COMPANY,, L.L.C. P•0, BOX 591, 5174 HWY. 133 <br />Kq® P,EO/, SOMERSET, CO. 81434 <br />PREPARED UNDER MY SUPERVISION AND �QF �• ° ✓� <br />REPRESENT INFORMATION THAT IS ACCURATE ' <br />TO THE BEST OF MY KNOWLEDGE ��' Map 54B Sediment and Drainage Control <br />33892 Sylvester Gulch Facilities Area <br />�o to"� West Elk Mine <br />k <br />e + ' ENGINEERING /DRAWING BY SCALE DA FE <br />DSF 1"=300' 10 —foot October 2008 <br />APPROVED BY DATE REV. — R 9 2 NO. ACRD DRAWING NO. <br />14108 — TR 115 N08SP054B.DWG <br />lr� <br />12 i ag <br />