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I, MICHAEL W. LUDLOW A PROFESSIONAL ENGINEER IN THE STATE OF <br />COLORADO DO HEREBY CERTIFY THAT TH15 MAP 15 CORRECT TO THE <br />BEST OF MY KNOWLEDGE AND BELIEF. <br />III #slot- <br />-�7 <br />DATE <br />Q <br />w 6840 <br />J <br />W <br />6839 <br />POND E ( TEMPORARY CONFIGURATION ) <br />VOLUME / ELEVATION SUMMARY <br />REFERENCE ELEVATION (FT) AREA (AC) STORAGE (AC FT) CUMULATIVE STORAGE (AC FT ) <br />BASE OF POND <br />6837.9 <br />0 <br />0 <br />0 <br />6838.0 <br />0.022 <br />0.001 <br />0.001 <br />6839.0 <br />0.209 <br />0.1 I G <br />0. 1 1 7 <br />6840.0 <br />0.340 <br />0.275 <br />0.392 <br />SEDIMENT STORAGE <br />G840.G <br />0.390 <br />0.219 <br />O.G I I <br />FIRST OKI FACE <br />6840.8 <br />0.409 <br />0.080 <br />O.G91 <br />m <br />cfJ <br />m <br />6841.0 <br />0.458 <br />0.087 <br />0.778 <br />6842.0 <br />0.914 <br />O.G8G <br />1.464 <br />10124 STAGE <br />6842.8 <br />1.389 <br />0.921 <br />2.385 <br />6043.0 <br />1 .43 1 <br />0.282 <br />2.GG7 <br />TOP OF RISER <br />6843.4 <br />I .G75 <br />O.G21 <br />3.288 <br />MERGENCY SPILLWAY <br />6843.5 <br />1.75G <br />0.172 <br />3.460 <br />DP OF EMBANKMENT <br />G84G.0 <br />(`) Lfi <br />0 <br />6837 L <br />0 <br />CUMULATIVE STORAGE <br />0 <br />N <br />6843.5 ( EMERGENCY SPILLWAY) <br />6843.4 ( TOP OF RISER ) <br />6842.8 ( 10124 STAGE ) <br />6840.8( FIRST ORIFACE ) <br />G840.G( SEDIMENT STORAGE ) <br />0 <br />EXHIBIT 8E <br />REEIVED <br />NOV 17 Zow <br />Division of Reu;,uduun, <br />Mining and Safety <br />FIGURE 2 <br />TWEN TYM I LE COAL CO. <br />FOIDEL CREEK MINE <br />POND E PLAN VIEW <br />AND <br />STAGE STORAGE <br />ROUTT COUNTY, COLORADO <br />29515 ROUTT COUNTY ROAD / 27. OAK CREEK. COLORADO E087 <br />kWN BY JKEC (SCALE > 1" = 25' <br />PATH ; D:\HYDROLOGY\POND E 111606.DWG <br />m <br />cfJ <br />m <br />m <br />� <br />- <br />3.288 <br />- <br />2.G G7 <br />0 <br />Z..385 <br />I .4G <br />0 <br />m <br />O <br />0 <br />N <br />92 <br />O <br />N <br />0 <br />0.117 <br />0 <br />6837 L <br />0 <br />CUMULATIVE STORAGE <br />0 <br />N <br />6843.5 ( EMERGENCY SPILLWAY) <br />6843.4 ( TOP OF RISER ) <br />6842.8 ( 10124 STAGE ) <br />6840.8( FIRST ORIFACE ) <br />G840.G( SEDIMENT STORAGE ) <br />0 <br />EXHIBIT 8E <br />REEIVED <br />NOV 17 Zow <br />Division of Reu;,uduun, <br />Mining and Safety <br />FIGURE 2 <br />TWEN TYM I LE COAL CO. <br />FOIDEL CREEK MINE <br />POND E PLAN VIEW <br />AND <br />STAGE STORAGE <br />ROUTT COUNTY, COLORADO <br />29515 ROUTT COUNTY ROAD / 27. OAK CREEK. COLORADO E087 <br />kWN BY JKEC (SCALE > 1" = 25' <br />PATH ; D:\HYDROLOGY\POND E 111606.DWG <br />