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~~ <br />~~ <br />SMALL AREA EXEMPTION 1- 2 <br />EARLY RECLAMATION - MONGER CANYON MINE <br />SOIL TYPE CLAY LOAM - C <br />DATA SUMMARIIED FROM SEDCAD OUTPUT <br />STORM INFORMATION <br />Storm Type: NRCS Type f] <br />Design Stone: 10 yr - 24 hr <br />RaiMall Depth: 1.5 <br />Particle Size Distribution <br />PS A3 SAE 1-2 SAE-1 SAE-2 <br />Sire (mm) In Out Out <br />4.7600 100.00% 100.00% 100.00% <br />2.0000 100.00% 100.00% 100.00% <br />1.0000 90.00% 100.00% 100.00% <br />0.5000 88.00% 100.00% 100.00% <br />0.2500 85.00% 100.00% 100.00% <br />0.1250 82.00% 100.00% IOD.00% <br />0.063 74.00% 100.00% 100.00% <br />0.0160 56.00% 100.00% 100.00% <br />0.0040 38.00% 100.00% 100.00% <br />0.0010 1.00% 2.95% 4.60% <br />STRUCTURE SUMMARY <br />Immetliate Tdal Peak Total Peak Peak <br />Contributing Corroibutrng Disdart3e Ruroft SeEimen[ Settleable <br />Arai Area Vdume Setlimen[ Cnrc. Cons 24 VW <br />(ac) (x) (c(s) (aoe-ft) (Dons) (mg/p (ml/p (mop <br />SAE-1 IN 4.59 4.59 1.03 0.07 81.10 1,080,525 424u93 724.13 <br />1.76 1.76 <br />TR-22 <br />STRUCTURE DETAIL <br />Fence WiAtlr <br />Fbwa[e Along Height <br />Contour <br />(9Pm/sq R) (ft) (els) <br />SAE-1 30 50 2.5 <br />saE-2 to xs x.s <br />lano Tb-back Peak Peak <br />Skrpe Distance Fence Water <br /> Stage Stage <br />(%) (ft) (ft) (ft) <br />2 N/A 0.43 0.43 <br />2 tuA 0.27 0.31 <br />Dewater Tap <br />Time Elfaency <br />(days) <br />0.5 69.60% <br />0.23 65.00% <br />M(Hii)-lii <br />03/07 <br />