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0 <br />O <br />Co <br />C <br />w <br />N 336,100 <br />N 335,900 <br />0' 20' 40' 60' <br />Contour Interval — 1 FT <br />PRIMARY SPILLWAY <br />0 <br />0 <br />al <br />n <br />w <br />DESCRIPTION ELEVATI ❑N ( FT ) <br />TOP OF EMBANKMENT <br />6754, 0 <br />EMERGENCY SPILL. INVERT <br />6751.6 <br />_.s �, a.� a ':.r. v. '.. nNM'tSN:r. Y...rl:iCi!HtiYM ^.? . f HWrY .MRbMSA4M1t!'YVea1HG'YRdTr,e�:W a+iY:.. ro w. r /Ua^ s_ ✓ax, w.. Jkt F.ff.Y.i:.Y 4". +ems:_'.: -a9< H`IIY_ <br />6750.3 <br />3:W`YNRFf VAU'd'3`en4£°£Ml''2 -n.. ...e2♦ e ..v l •r <br />".:W:, ry .. r M <br />+J_ •; Y..:i �.rY ... . n <br />6741.6 <br />PRIMARY DISCHARGE INVERTI <br />6729.4 <br />Y9 <br />I <br />ELEVATI ❑NS <br />_ <br />EMERGENCY <br />SPILLWAY <br />J <br />0 <br />O <br />Co <br />C <br />w <br />N 336,100 <br />N 335,900 <br />0' 20' 40' 60' <br />Contour Interval — 1 FT <br />PRIMARY SPILLWAY <br />0 <br />0 <br />al <br />n <br />w <br />DESCRIPTION ELEVATI ❑N ( FT ) <br />TOP OF EMBANKMENT <br />6754, 0 <br />EMERGENCY SPILL. INVERT <br />6751.6 <br />PRIMARY SPILL. INVERT <br />6750.3 <br />PERFORATION(S) INVERT <br />6744.0 <br />GATE VALVE INVERT <br />6741.6 <br />PRIMARY DISCHARGE INVERTI <br />6729.4 <br />ANC <br />y Sp /<<wqr <br />6756 <br />6753 <br />6750 <br />J <br />f <br />6747 <br />z <br />0 <br />6744 <br />W <br />J <br />W <br />6741 <br />6738 <br />6735 <br />0.00 <br />PRIMARY DISCHARGE <br />ACKK <br />T \ <br />E <br />DESCRIPTI ❑N I DIMF-NSI ❑N ( FT ) <br />TOP WIDTH 18��V <br />BOTTOM WIDTH 12 <br />SIDE SL PES 1. 51 1 1. 5: 1 <br />STAGE STORAGE CURVE <br />PROSPECT POND <br />2.00 4.00 6.00 <br />ACCUMULATIVE STORAGE (ac —ft) <br />15 / <br />- <br />N _- -_ -- _ 1�sLOPE <br />C,JT DFF COLLARS <br />6' <br />CMP <br />NO SCALE <br />PROFESSIONAL ENGINEERS C_RTIFICATION <br />I, STEPHEN R. HINKEMEYER, being a <br />Registered Professional Engineer in <br />the State of Colorado, do hareby <br />certify that this map has been <br />reviewed by me and is true cnd <br />correct to the best of my Imowledge <br />and information relying on <br />information supplied by expe --ts <br />identified in section 2.03.3 of the <br />Colowyo Coal Company L.P. 1997 Permit <br />Renewal. <br />9. <br />EMBANKMENT <br />:RT (6751.6) <br />Permit Number #: C- 1981 -019 <br />Class: Permit _ <br />SectionlExhibit : 71 a c <br />Z _ AO� 7 <br />- -- <br />EMERGENCY SPILLWAY <br />3r 1 <br />RECEIVED <br />APR 2 7 1998 <br />Division of Minerals 8 Geology <br />PROSPECT POND 007 <br />PROPOSED PLAN <br />Kennecott <br />Energy <br />Cobgo Coal Company LP. qM <br />No.l REVISION <br />SCALE: 1. = 2n• <br />DATE 4/2?197 <br />DRWG. BY: T F S III <br />APPROVED BY: J.P.G. / S.R.H. <br />DRWG NO. <br />DATE I BY <br />0062ci _ <br />