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Spring 2009 Subsidence and Geologic Field Observations <br />Box Canyon, Apache Rocks, and South of Divide Mining Areas <br />• <br />Figure 21. Southward view of rockfall /landslide area weal of Location 4 in May 2009. The <br />• light- colored, fresh scarp is the upper, massive sandstone of the Ohio Creek Member of the <br />Mesaverde Formation with rocks and landslide material below. <br />Figure 22. Fall 2007 view to the south of the same rockfall /landslide area west of Location 4. <br />A comparison between this photograph and Figure 21 shows that additional slabbing of the cliff <br />face occurred between photographs and that some of the pine trees (note those immediately <br />above the dark spot in the cliff face) have lost all their needles. <br />is <br />831- 032.791 Wright Water Engineers, Inc. Page 35 <br />November2009 <br />