PERMFILE47261

• Permit No: C1994082
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: Geotechnical Investigation & Slope Stability Analysis Proposed Yoast Mine Sedimentation Pond 11
• Section_Exhibit Name: Tab 13 Attachment 13-4 Addendum 13-4E
• Media Type: D
• Archive: No

TABLE OF CONTENTS
Conclusions
1
Purpose and Scope of S[udy ................................................................................................................................1
Proposed Construction .........................................................................................................................................1
Si[e Conditions and Geologic Setting .................................................................................................................2
Field Investigation .................................................................................................................................................2
Laboratory Investiga[ion ......................................................................................................................................3
Subsurface Condi[ions ..........................................................................................................................................3
Embankment Construction ..................................................................................................................................4
Stability Analyses ..................................................................................................................................................5
Limitations ............................................................................................................................................................. 6
u
Vicinity Map .......................................................................................................................................... Figure #1
Site Plan/Location of Test Holes ....................................................................................................... Figure #2 •
Logs of Exploratory Test Holes ..............................................................................................Figures #3 & #4
Legend 3c Notes .................................................................................................................................... Figure #5
Swell-Consolidation Tes[ Resul[s ....................................................................................................... Figure #6
Mois[ure-Density Relationship Test Results ......................................................................... Figures #7 & #8
Triaxial Compression Test Results ..................................................................................................... Figwe #9
Summary of Laboratory Test Results ......................................................................................................Table 1
Slope Stability Analysis Data ............................................................................................................Appendix A
i