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r' <br /> DRAWING 1 Sl Drainage Course Cross-section <br /> ope <br /> maximum riprap depth = 30" X _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - <br /> ' 3:1 sideslopes <br /> ' 4'd rock keyed in to not <br /> extend more than 30" h <br /> ' 20' cc slope length 8.0' y: <br /> Y j <br /> a <br /> ..;, a2.,.4t <br /> ' Channel width min. 48" up <br /> � side slope _ <br /> Plan view ............................. <br /> ................ <br /> = 4' diameter rock <br /> 2' - 3' diameter rock <br /> = 12 - 18" diameter rock <br /> ............. DRAWING 1 <br /> 4' d rock on Reconstructed contour <br /> Colorado Department of Natural Resources <br /> 20' cc _ _ _ _ _ _ _ _ furrows on maximum Division of Minerals and Geology <br /> centers per pre-construction inactive Mine Reclamation Program <br /> - <br /> - - - - - - - - - - Fruita Mine <br /> Bond Revocation M81-015 <br /> Slope Drainage Course <br /> Cross Section and Plan View <br /> Scale Date Sheet No. <br /> n.t.s. 1/00 1 of 2 <br />