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Spring 2008 Subsidence and Geologic Field Observations <br />Box Canyon, Apache Rocks, and South of Divide Mining Areas <br />• I i 0.011ilutC, hrcnic hin?? uml clip c ? =in?? c-nwk Z(HIC us imcc•Ii cis h inches n•ide (ind cm <br />rs/hmited -50.1e-et long that fl-ell s into the Iwtive h slcihhni,? «c .ct rli%f ,?rur/? 1 Figure 13). <br />f <br />t It, <br />Figure 13. Crenulate, branching and diverging Crack 1 zone that trends into the <br />actively west slabbing cliff in the right background shadow. Individual cracks are <br />as much as 6 inches wide. <br />2) Irregular c•ruc•k, loco/h• ci c nwk Zone, ci.v nmc•h cis 12 inches trice cmcl rill e-stimcitrcl 200 <br />fclet Icui.?. The crack area iS loCalCd ahout O feet east of* Crack I /.one, and transects the <br />inethane drainage wells 1Figure 14). This crack has hecn oradcd cover can the drill pad <br />reducing its surface expression; however, the extension of this crack to the SOLIth off the <br />pad is ohvious (Figure 15) with a distinct musty "mine air" Smell around its larger <br />openings. <br />• 831-032.790 Wright Water Engineers, Inc. Page 26 <br />August 2008