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►COCK COAL MINE <br />4. <br />DISTURBED AREA RUNOFF DATA <br />10 YEAR STORM, 24 HOUR PERIOD = 2 I" RAIN <br />RUNOFF AREA :2.79 ACRES <br />ELEVATION - 7500 '0 7680 <br />AVERAGE SLOPE - 30% <br />SOIL TYPE = GROUP <br />VEGETATION= MODERATE OAK BRUSH, PINON, JUNIPER, & BRUSH— C.N. 73 <br />RUNOFF VOLUME : 3746 cu ft <br />PEAK FLOW ' 3.1 C F S <br />VOLUME OF EXISTING PONDS = 1,925 cu ft <br />F RuN��4 <br />VARIES — SEE PLAN — ---;~{ <br />16)0 <br />VARIES <br />V <br />yb SEDIMENTS TO BE REMOVED EVERY 2 YEARS _ Y_ <br />1 VARIES <br />VOLUME FOR SEDIMENTATION <br />ROPE <br />TYPICAL CROSS SECTION <br />SETTLING POND <br />`GC <br />z <br />Iw <br />a <br />0 <br />a <br />S <br />SDJIe 100 <br />0 50 IOU 200 <br />Contour Interml — 40 <br />CG�N�Y <br />I� <br />i <br />NEcorner Section 29,T34N,RIIW, NMPM <br />TYPICAL CROSS SECTION <br />DIVERSION DITCHS <br />r ---I <br />I <br />I <br />1� <br />I <br />MINING, INC. <br />SHEET <br />I <br />8 <br />I <br />I <br />! <br />I <br />I <br />i <br />I <br />I� <br />PEACOCK <br />COAL MINE <br />j <br />c <br />W <br />Ir <br />NGINEERING <br />Im <br />0 <br />*RAINAGE <br />to <br />ig <br />IB <br />IU <br />m' <br />CL!W IN <br />E <br />E <br />z <br />v IK ..IC <br />a <br />0!0 <br />O <br />�c <br />�I3 <br />�!❑ <br />N 0!y <br />� ! <br />a <br />0 to !13 <br />Ornlorlo o;0 <br />I <br />SUN BELT <br />MINING, INC. <br />SHEET <br />8 <br />PEACOCK <br />COAL MINE <br />NGINEERING <br />*RAINAGE <br />CONTROL MAP 35a_ <br />of <br />DRAWN BY' G W CRITES <br />CHECKED BY <br />SCALE I "= 100' <br />DATE FEBRUARY 13, 1981 <br />P.O. BOX 97 <br />DURANGO, COLORADO (303) 247 — 1705 <br />II��I�I��I�I��III�II�I��II�I��III��II��I <br />�ocs<, <br />