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2006 Subsidence and Goologrr. Field Observations <br />Box Canyon, `Nast Flatiron. Apache Rocks, and South o/Divide Mining Areas <br />Location 3, hecause the rigid chain pillars tool solid caul helute were only a small distance cast of <br />the clifl face, the rnuvcmcnt produced by the ucshvord movement of the lungreall mining face <br />was a tilting a'cstrv;ud towards the solid rock. <br />4.2.3 Location 4 <br />Location a Ian annual uhscrcation Ixrintl r~:tc rcriiturl to ohscnc an(I duruntcnt the <br />rocklall landslide urea nn the cast side of E3ox Camon, primanly ahoae the mined part nt <br />longue!! panel 19 (Figures 9 and IIlt, and alx+ In nhscnc oprn tension cracks and unstahlr- <br />luoking rocks ,m the headscarp of Fius ('mtvon 11=igurc 111. :\ttcr comparing Figures 9 and I(I. <br />no mining-trlatcJ ettbcts arc uhscnul to date. (Note: The discussion on [he ~tdeo <br />accnmpam'ing this report crron(.^c,usly says that a ch:utge uccurrc(I.1 <br />831.032.750 Wnght Water Engineers. Inc. Faye 13 <br />Decemhn_r 2006 <br />Ihpurc R Itchc.uch balance! roe, pcrhrd un the cape ut drr chtl ut Ohis. (Tcck <br />ti:u,daune :\nother un.utbl.•I„okmg rich m the Inecr nght appcan uuutticted M <br />nnning I he kmgaall lace m panel I~ haz ~dreudy nu,+rd hcncath this arcs, and tz nc, <br />lun4c•r in n> coca .,f mmin{; ndluencc. <br />