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DRAWING 2 Drainage Course - Rock Outcrop to Slope & Check Dam <br /> Check Dam Plan View Check Dam - cross section <br /> maximum riprap depth = 30" <br /> �\\ 4 slope 81h <br /> �\ length 24" <br /> 12' w 4' w 8' —� 4' w 8 <br /> Channel Width <br /> Channel Width <br /> = 4' diameter rock <br /> 2:1 sideslopes <br /> .._....._..._... = 2' - 3' diameter rock <br /> check dam - entire <br /> width of channel botttom = 12 - 18" diameter rock <br /> 4'd rock keyed into extend <br /> no higher than 30", 50' cc ��0* <br /> 4' up sideslope graded for positive drainage DRAWING 2 <br /> from east bench cut <br /> Colorado Department of Natural Resources <br /> 8'h Division of Minerals and Geology <br /> inactive Mine Reclamation Program <br /> - 4' slope Fruita Mine <br /> length Bond Revocation M81-015 <br /> 8' w Drainage Course - Rock Outcrop to Slop <br /> and Check Dam - x section & Plan <br /> Scale Date Sheet No. <br /> n.t.s. L 1/00 1 2 of 2 <br />