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N 363,500 <br />n <br />N 6352 <br />f <br />z <br />° 6350 <br />w <br />w 6348 <br />6344 <br />0.00 <br />Rail Loop Pond 006 <br />STAGE STORAGE CURVE <br />RAIL LOOP POND <br />1.00 2.00 <br />ACCUMULATIVE STORAGE Cac —f t) <br />ELEVATIONS <br />DESCRIPTION <br />ELEVATION ( FT ) <br />TOP QF EMBANKMENT <br />TOP OF <br />(6355.0) <br />EMERGENCY SPILL. INVERT <br />6353.0 <br />E <br />RGE14CY SPILLWO <br />Y INVERT (6351 <br />SIA <br />GATE VALVE INVERT <br />RIMARY SPILLVA <br />f AND GATE VALVE <br />INVERT (6351. <br />I /r <br />�v�� � '�• " "� <br />NA <br />PVC CAP INVERT <br />6388. <br />3 <br />PRIMARY DISCHARGE INVERT <br />6385.8 <br />1.00 2.00 <br />ACCUMULATIVE STORAGE Cac —f t) <br />ELEVATIONS <br />DESCRIPTION <br />ELEVATION ( FT ) <br />TOP QF EMBANKMENT <br />6355.0 <br />EMERGENCY SPILL. INVERT <br />6353.0 <br />PRIMARY SPILL. INVERT <br />6351.5 <br />PERFORATIONS) INVERT <br />SIA <br />GATE VALVE INVERT <br />351.5 <br />PRIMARY DISCHARGE INVERT <br />6351.1 <br />8' GATE VALVE <br />WITH TRASH RACK <br />8' CMP TRICKLE TUBE <br />MBANKMENT <br />EMERGENCY SPILLWAY <br />DESCRIPTION <br />DIMENSION ( FT <br />TOP WIDTH <br />IQ <br />BOTTOM WIDTH <br />7 <br />,SIDE SLOPE� <br />21 1 21 1 <br />RAIL LOOP POND <br />NO SCALE <br />Y. <br />... � .i a '.'?'S.K .... <br />......n ..... is... aru. _..4....a..v..:. <br />� ..3._. _ �. i_:r..r.._.��...�. <br />—.: �.. u..�..•�.1.x... sa..a.wL .6..�.s ursv..H.'.m __�.r.c <br />. .:..a. w .... ...�. �. s..Lt. ... _._. ...�..amn... �F:. n.... i..�v. <br />.: <br />TOP OF EMBANKMENT <br />.. .. .....n: v�. � _ e <br />a . ,. m. ...:��, <br />w S ..:_. <br />x.�. �r _ ._ <br />- %. <br />e. <br />i <br />.. <br />�vi3 <br />3 <br />�v�� � '�• " "� <br />NA <br />PVC CAP INVERT <br />6388. <br />3 <br />PRIMARY DISCHARGE INVERT <br />6385.8 <br />..wv..��1 .tea.— w..v <br />._�vu. .u...,n..u4 �....a2F .�`:. <br />.0 a:1Y: <br />,��1 <br />AA <br />M <br />PRIMARY DISCHARGE <br />PRIMARY SPILLWAY <br />W <br />rn <br />J <br />0 <br />0 <br />0 <br />N 363,100 <br />Gossard Pond 003 <br />GOSSARD PRIMARY DISCHARGE <br />EMERGENCY SPILLWAY <br />PRIMARY SPILLWAY <br />f <br />N 363, 000 <br />0' 40' 80' 120' <br />Contour Interyd — 1FT <br />.,v. -'= ..um_.'.;- , I .... r, .ex:...:...a+e't:`. .... ^: _ - ___AFT.r ` **? ". II �'r I v . <br />ELEVATIONS <br />DESCRIPTION <br />DIMENSION (IN) <br />DESCRIPTION <br />30' DIA. CMP <br />ELEVATION <br />6400.0 <br />( FT ) <br />TOP OF EMBANKMENT <br />EMERGENCY SPILL. INVERT <br />6392.7 <br />PRIMARY SPILL. INVERT <br />6389. <br />3 <br />PERFORATIONS) INVERT <br />NA <br />PVC CAP INVERT <br />6388. <br />3 <br />PRIMARY DISCHARGE INVERT <br />6385.8 <br />6402 <br />6400 <br />6398 <br />6396 <br />z 6394 <br />0 <br />H <br />6392 <br />w <br />w 6390 <br />6388 <br />6386 <br />6384 <br />_.,_..7 <br />EMERGENCY SPILLWAY <br />DESCRIPTION <br />DIMENSION (IN) <br />TOP WIDTH <br />30' DIA. CMP <br />BOTTOM WIDTH <br />NA <br />SLOPES <br />NA <br />STAGE STORAGE CURVE <br />GOSSARD POND <br />INVERT <br />WAY <br />0.00 4.00 8.00 <br />ACCUMULATIVE STORAGE (ac —ft) <br />GOSSARD POND <br />(INCISED POND) <br />%7 45 SLOPE <br />INCISED PDND <br />LC.UU <br />6' PVC RISER 30' CYP EMERGENCY SPILLWAY <br />WITH TRASH RACK \ <br />6' PVC 1.65 SLOPE <br />CAP 6' PVC PRIMARY SPILLWAY <br />NO SCALE <br />J1\0 N ZAN91 RECF:n1ED <br />t(`�°e� �' <br />VOL" � (o APR 2 i 1998 <br />e�� Qe�� ; �' .^ o✓ DlVision of Minerals 8 Geology <br />r <br />P1 00 <br />ti <br />PROFESSIONAL ENGINEERS CERTIFICATION GOSSARD & RAIL LOOP POND <br />I, STEPHEN R. HINKEMEYER, being o <br />Registered Professional Engineer in 003 PROPOSED PLAN 006 <br />the State of Colorado, do hereby <br />certify that this map has been <br />reviewed by me and is true and /It /aKennecott DATE' <br />correct to the best of m knowledge o DRWG. 8Y: rJ , 6I <br />y 9 �i Energy APPROVED 8Y: J.P.G. / S.R.H. <br />and information relying on Colo-to cw Cenwar L.P. <br />DRwG N0. <br />information supplied by experts <br />identified in section 2.03.3 of the <br />Colowyo Coal Company L.P. 1997 Permit <br />Renewal. "I_ REVISION <br />No. 25436 <br />-- <br />DATE1 BY HP <br />1tl611 <br />006 \'11�tlI WNlll1,Y —_ <br />(10670fi <br />