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• <br />Spring 2011 Subsidence and Geologic Field Observations <br />Box Canyon, Apache Rocks, and South of Divide Mining Areas <br />depth, exposed surficial materials, etc.) are not included in this report but can be found in older <br />versions of this biannual report (the most recent being the Fall 2009 Subsidence and Geologic <br />Field Observations report). <br />5.17 Photographic Observation Point 11 <br />This photographic observation point was not visited during the spring 2011 field visit. <br />Photographs will be obtained from this location during the fall 2011 field visit. <br />5.18 Traverse N - N' <br />Traverse N -N' begins at the fork in the Deer Creek and Dry Fork roads and continues southward <br />up the Deer Creek Road to a locked gate near two stock water tanks in the upper Deer Creek <br />drainage (see Maps 2 and 4). <br />This traverse is located above the projected E -South Mains and the western ends of unmined E- <br />• seam Longwall Panels E3, E4, and E5. As a result, there were no subsidence related features <br />observed or expected along this traverse. Specific details associated with this traverse (i.e., <br />topographic description, overburden depth, exposed surficial materials, etc.) are not included in <br />this report but can be found in earlier versions of this biannual report. <br />831 - 032.793 <br />September 2011 <br />Wright Water Engineers, Inc. Page 43 <br />