PERMFILE102398

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: Exhibit 43A Slope Stability Analyses ROM Expansion Stockpile
• Media Type: D
• Archive: No

Mountain Coal Company
Slope Stability Analyses of the
R.O.M. Expansion Stockpile
Table of Contents
1.0 Introduction ..................................................................................................... ...................................... I
2.0 Previous Analyses ............................................................................................ ...................................... 2
2.1 Soil Borings ................................................................................................ ......................................2
2.2 Soil Parameters ........................................................................................... ......................................2
2.3 Stability Analyses ....................................................................................... ......................................3
3.0 Existing Condition ........................................................................................... ......................................4
3.1 General ........................................................................................................ ......................................4
3.2 Factor of Safety ........................................................................................... ...................................... 4
3.3 Relation to Main Landslide ........................................................................ ...................................... 5
. 4.0 Summary .......................................................................................................... ......................................6
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P:W6~26~030VtOMpileVetter.doc i