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~ll <br />• I I <br />I <br />i~ <br />i <br />RECOMMENDED <br />REVISIONS TO <br />FLATTEN POST <br />MINING SLOPE <br />~~ ~ <br />~o ~ \ <br /> <br />~ ~~ <br />~ ~/ <br />l !~ <br />~~~ <br />R2 PORTAL <br />~~~ <br />,~ <br />// <br />i/ <br />0 <br />scAlF: ,.=100' <br />LEGEND: <br />• <br />~~ <br />~~ <br />• ~~~ <br />i~~ <br />Lorenclro coal Co., LLC <br />LORFNCITO CANYON MINE <br />Job No. 25,863 <br />~~~ ~ <br />\~ <br />1 ~ ~~ / <br />1 \~ <br />R1 TEST TRENCH <br />/ / <br />// <br />/ //, <br />/ / // <br />/ ~/ ~// <br />/~ /~ /~~~ <br />// // ///~ <br />/~/~ /~~/ <br />2.3:1 INDICATES AVERAGE SLOPE <br />ACROSS ANALYSIS SECTION . <br />"Exhibit 13, <br />Portal Stability Report, <br />~~~. ~ ,~ <br />R1 Portal <br />Post Mine <br />Topography <br />Fig. 4 <br />