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Fall 2007 Subsidence and Geologic Field Observations <br />Box Canyon, Apache Rocks, and South of Divide Mining Areas <br />C7 <br /> <br />I~ew vegetation can be observed in portions of the fall area, particularly in the lower part. which <br />indicates some stahility in the fall area. However, fractures in the massive sandstone cliff <br />indicate that more rockfalls may eventually occur under the intluence of gravity, treezing, and <br />thawing. <br />C] <br />831-032.780 Wright Water Engineers, Inc. Page 18 <br />Novomber 2007 <br />Figure 6. A fall 2007 photograph (looking northward) of a rockfall located above the road leading <br />to West Flatiron. The rockfall area appears more vegetated than in previous years, indicating <br />some degree of stability. <br />