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Spring 2008 Subsidence and Geologic Field Observations <br />Box Canyon, Apache Rocks, and South of Divide Mining Areas <br />• <br />Figure 5. Northward view of a newly observed apparent rockfall/landslide east of the drill road from Sylvester Gulch <br />Anve unrnmed Lonclwall Panel 25 This area had not been observed during previous years. Detailed inspection of <br />the ate "„is not conriw tod ciao, to tho steepne,s of ttit I?,I!sid.ind incnnnng inclement weather. <br />5.1.2 Photographic Observation Point 8 (Alternate Location 8A) <br />Photographs of the rockfall anti Iallllsllde area Oil the east side of BOX Canyon as typically liken <br />f1-ont Photographic Observation Print 8 were ohtained irons an alternate location (Point 8A). A <br />photo raph I'ronl this allenlate location (Fi(ure 6) was ohtaincd for t'omli,irlsoii to a 1110lo`oralih <br />fI-OIII Previous wars (Floure 7) to assess changes. Additional IMRCI-Ml nwy have fallen at the <br />location 5 Site but Sun a121e differences het"ven Phclto-raphs make it t111Tirult to s,ty With <br />certainty. Actively develOPing cracks near the cliff rite and vertical linear features cell the tipper <br />massive s,uttistone of the Ohio Creek Mcnlher of the %lesavertle Fornrnion Indicate 01,11 more <br />rockfalls are likely in the near future. <br />• 331-032.790 Wright Water Engineers, Inc. Page 16 <br />August 2008