2009-01-15_REPORT - C1980007 ‎(8)‎

• Permit No: C1980007
• IBM Index Class Name: REPORT
• Doc Date: 1/15/2009
• Doc Name: Fall 2008 Subsidence Monitoring Report
• From: Wright Water Engineers, Inc
• To: DRMS
• Permit Index Doc Type: Subsidence Report
• Email Name: TAK
• Media Type: D
• Archive: No

Fall 2008 Subsidence and Geologic Field Observations
Box Canyon, Apache Rocks, and South of Divide Mining Areas
•
Figure 36. Fall 2008 telephoto view from the MCC landslide monitoring station of the Monument
Dam area.
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Figure 37. Fall 2007 telephoto view of the same area represented in Figure 36. Note the
changes in the upstream and downstream surfaces of the dam and the excavated area south of
the left abutment.
5.16 Location 13 (Location 14 of the Spring 2008 Field Visit)
phis is the site of subsidence cracks at :apache Rocks (Fi"ures 38 through 42). The cracks.
0 - \\hirh are ?trliuht to branching, as much as 175 feet long. 25 to perhaps 30 feet deep, and as
831-032.790 Wright Water Engineers, Inc. Page 52
December 2008