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Subsldrnce Reid Observations <br />Wesl Elk Mine <br />August 2729, 2002 <br />Location Ili: <br />This location was photographed tmm a point on the ridge north of Apache K<xks and due west of <br />the point. This is an c~ttstvvard pre-mining ha-xlinc view of the hwdwall of the first cast side <br />c:moon of 5yh•t.~tcr Gulch an the west side of West Flatiron (Figure 14, also sec video fi,r more <br />detail; i. <br />ClifToutcrop i, located at projection of un-Honed longwall Fanch 22 and _'.. (map L aliu sx <br />video lire additional details I. <br />(h'crburdcn depth to the It-ticam is about 2,200 li at the top of W'cst Flatiron. <br />Figuro 14. Eastward view o} <br />the upper part of the <br />Mesavordo Formation, located <br />on the west side of West <br />Flatiron. Photograph shows <br />the condition of headwall of <br />tfie first east-trending tributary <br />of Sylvester Gulch prior to <br />mining. <br />4.3 Subsidence Observations on August 29, 2002 <br />Tmvcrses K-K' and L-L' were made along drill roads and jeep trails (sec video for further <br />Jcluils). <br />831-032.570 Wnghl Water Engineers. Inc Fage tR <br />December 2002 <br />