PERMFILE106678

• Permit No: C1980007
• IBM Index Class Name: Revision
• Doc Date: 6/13/2005
• Doc Name: Exhibit 60D 2004 Geologic Hazard Field Observations for the South of Divide Mining Area
• Type & Sequence: PR10
• Media Type: D
• Archive: No

• 9.1 Minnesota Reservoir .........................................................................................................32
9.2 Stock Watering Ponds and US Forest Service Water Resources ....................................33
9.3 Streams and Ditches .........................................................................................................34
9.4 Springs, Water-Bearing Zones, and Ground Water Wells ................................................35
9.4.1 Springs .............................................................................................................. 36
9.4.2 Water-Bearing Zones ........................................................................................37
9.4.3 Ground Water Welfs .......................................................................................... 37
9.5 Roads ................................................................................................................................38
9.6 Buildinas ............................................................................................................................38
10.0 POTENTIAL IMPACTS OF SUBSIDENCE AND MINE-INDUCED SEISMIC ACTIVITY
ON LANDSLIDES AND ROCKFALLS .......................................................................... 39
10.1 Landslides ......................................................................................................................... 39
10.1.1 Landslide Movement Based on Past Observations ........................................... 40
10.2 Mine-induced Seismic Activity ........................................................................................... 42
10.3 Rockfalls ............................................................................................................................ 43
10.4 Importance of Baseline Landslide and Rockfall Data ....................................................... 45
11.0 CONCLUSIONS
............47
LJ