2014-01-31_REPORT - C1980007

• Permit No: C1980007
• IBM Index Class Name: Report
• Doc Date: 1/31/2014
• Doc Name: Fall 2013 Subsidence Monitoring Report
• From: Wright Water Engineers, Inc
• To: DRMS
• Permit Index Doc Type: Subsidence Report
• Email Name: JRS
• Email Name: DIH
• Media Type: D
• Archive: No

Fall 2013 Subsidence and Geologic Field Observations
South of Divide and Dry Fork Mining Areas (E -Seam)
Figure 10. Fall 2013 easterly view of the access road to MDW E4 -11 along the north side of Dry
Fork. Note one of the two subsidence cracks in the foreground road and the sandstone outcrop
on the left -hand side of the road where it curves to the left (location of Figure 11).
Figure 11. Fall 2013 northeasterly close -up of the sandstone outcrop shown in the distance in
Figure 10. Note the near - vertical subsidence cracks through this brittle geologic unit.
831 - 032.795 Wright Water Engineers, Inc. Page 15
January 2014