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Fall 2008 Subsidence and Geologic Field Observations <br />Box Canyon, Apache Rocks, and South of Divide Mining Areas <br />E <br />A + <br />41. <br />'4 gk <br />14, , <br />w ar?jt R.x. q Jul <br />1 r <br />Figure 25. Northeastward view of the active rockfall/landslide areas above the eastern part of <br />mined Longwall Panel 21 (fresh looking scarp in right background) and the steep point above <br />mined Longwall Panel 20 (left middle ground) as taken in fall 2008. <br />• <br />Figure 26. Northeastward view of the same area as in the preceding figure as taken in fall 2007 <br />• <br />5.8.3 Location 11 <br />This location (an annual observation legation) pro\-ides a 000d. close-up view of the headscarp of <br />the first eastern drainage of Sylvester Gulch that terminates on Wcst I latiron. I he cic\? I'ron1 <br />831-032.790 <br />December 2008 <br />Wright Water Engineers, <br />41