PERMFILE45235

• Permit No: C1980007
• IBM Index Class Name: Revision
• Doc Date: 12/2/2004
• Doc Name: Exhibit 60D Certification2004 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 Wells ........................................................................ ..................37
9.5 Roads .............................................................................................................. ..................38
9.6 Buildings .......................................................................................................... ..................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
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