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l <br /> Section 1.Slope stability analysis of non-critical regions (Figures 1-4) <br /> 150 Permit Boundary ISO <br /> 140 140 <br /> 130 130 <br /> 120 I" <br /> 50 ft min <br /> 110 — 110 <br /> 100 IOD <br /> 90 ^Ig;,.. ,,..���uu e �«.'mix. F 1'.t .� �'- 2-25 90 <br /> r tl2''_3 � ate,-`-` �;R�;.•��;�.., <br /> 'D'�o`�•i:,�r •"- ? t+ ,Y.`1dtw. 4't ,.. ,` . <br /> r�i t' ;ti;,.,i,.r'if+'is ct'#;, r,,.�kr•�,a.',f' '.- {:•r,'Y-,,�+.fv-�'.I.: Iyty K;..l;&Z%,r,+^yi•; BD <br /> ' a ;.. +• s, a. ��.•: Toe Drain <br /> 70 -> }'v. °� szlx'_. # 1M { ^ ...TI;zT .� r' ��w° rn,r•., 70 <br /> 60 •i w <br /> 60 <br /> 5o 50 <br /> 40 40 <br /> 30 30 <br /> 20 20 <br /> 10 10 <br /> 0 0 <br /> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 19D 200 210 22D 230 7A0 250 260 270 nO 290 300 310 320 330 340 350 360 <br /> Distance(ft) <br /> Figure 1: Geometry and subsurface section <br /> ISO Permit Boundary 150 <br /> 140 140 <br /> 130 130 <br /> 1" 50 ft min IN <br /> 110 — 110 <br /> 225 <br /> $ r Y .. + ��. 4s,�; uii' Y: Toe Drainso <br /> 70 <br /> 60 60 <br /> 50 50 <br /> 40 <br /> 40 <br /> 30 30 <br /> 20 20 <br /> 10 10 <br /> 0 0 <br /> 10 20 30 40 50 60 70 90 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 MO <br /> Distance(ft) <br /> Figure 2: Flow path and total head distribution in section <br /> Stiles Mine <br /> La Salle,Colorado <br /> EEC Project No. 1212092 <br />