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Fall 2007 Subsidence and Geologic Field Observations <br />Box Canyon, Apache Rocks, and South of Divide Mining Areas <br />• <br />r~ <br />• <br />r <br />~,: <br />`~` „ <br />,~ .. . <br />•- ~~ <br />< , <br />. _ 1 <br />~:'~ , `, ? <br />I~~. ~. <br />. ti <br />. - , <br />• <br />~t ~ <br />' •? • `~ <br />Figure 10. Granulate crack number 3 zone, on the eastern side of <br />the methane drainage wells. <br />4) :)n cn echelon crack _onc (cr•crck numhc'r 4 _orre) located ahvut ?II %et easy o/ tlrc crack <br />ntnnher 3 =one' crr:cl crs nrcrclr crs h inclres tiride (Figure !1). This crack zone, which is <br />located near the west track of the drill road, probably is one of the cracks observed during <br />the spring 2007 field ~•isit (sec Figure 1 I of the spring ?007 report). <br />831-032.780 <br />November 2007 <br />Wright Water Engineers, Inc. <br />Page 23 <br />