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Subsidence Field Observaaona <br />Wosl Elk Mine <br />July 22.24. 2003 <br />No sign of mine-induced subsidence disturbances were observed (see Figure lS and video <br />images for dctuils). The landslide area is located in the att a of mining inQuencc for alx7ut the <br />last two and a half months (from ubout \~ay I to mid-July. 2003). <br />~; <br />.i, <br />~, <br />...: = ,. <br /> <br /> <br /> <br /> - i lr .d t~cCp C tGCR. IhG ICON Il'J1UIC~ UI IhC Shdf J(141td1 oldct <br />~~ ,, . ~ _ ~~~ ' I ~n 1hr RUUIn CI t1tIUW It. ~n1C ~LfillOn Of IIIllllnj[ N71t110 d1C {lICG <br />~ ~' ~ ' ~}Y. -~~ring ~nlturncr of the htcddlJe hac onh~ he.n shout the lair <br /> <br />~.. Y •~~ <br /> ~ <br />S ~ t, -v <br /> <br /> <br /> <br /> <br />~ ^`JS ~ <br />~_ a <br />. j1 <br />Lcx:ation 1S: <br />This is an eastward, prc•mining view of the hcadw~ull of the first east tributary of 5ylvcster <br />Gulch. <br />• l'hc cliff escarpment is lucuted above projected longwall Panels 22 and 23 (Figure 2U; also <br />sec Map I and video for details). The gutc road entncs of longwall Panel 22 are currently <br />being developed. <br />Overburden depth to the B-scam is 2.2U0 feet on top of 1Ycst Flatiron (skyline in <br />background). <br />831-032.610 Wright Water Engineers, Inc. Page 32 <br />Saplember2003 <br />