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Fall 2008 Subsidence and Geologic Field Observations <br />Box Canyon, Apache Rocks, and South of Divide Mining Areas <br />• <br />0 <br />• <br />Figure 47. Fall 2008 northward view of a relatively continuous subsidence crack with 4-6 inches of <br />vertical displacement in a portion of the roadway and a depth of 24 inches at the outside edge of <br />the roadway fill, <br />5.19.2 Photographic Observation Point 10 <br />This photographic observation point was established near the lower end of Traverse MAV to <br />obscrx e and document a series of sandstone units that outcrop on the cast side of Box Canyon. <br />Figure 47 represents these sandstone units as they were observed in June: 2008 and within the <br />area of mining intlllenCe of Long, wall Panel 18. No fresh scarps or rockfalls were observed at <br />that tillic. <br />831-032.790 Wright Water Engineers, Inc. Page 61 <br />December 2008