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TABLE OF CONTENTS - CONTINUED <br />VOLUME X <br />Section6 — Geology ................................................................... .............................13 <br />6.1 Regional Geology ................................................................ .............................13 <br />6.2 Site Geology ........................................................................ .............................14 <br />6.2.1 Dam Reservoir Foundation .................................... .............................14 <br />6.3 Landslide ............................................................................. .............................14 <br />Section 7 — Subsurface Conditions ............................................ .............................16 <br />7.1 Main Dam ............................................................................ .............................16 <br />7.1.1 New Embankment Materials .................................. .............................16 <br />7.1.2 Old Embankment Materials ................................... .............................16 <br />7.1.3 Foundation Soils .................................................... .............................17 <br />7.1.4 Bedrock ................................................................. .............................17 <br />7.1.5 Groundwater .......................................................... .............................18 <br />7.2 Saddle Dam ........................................................................ .............................18 <br />7.2.1 New Embankment Materials .................................. .............................18 <br />7.2.2 Bedrock ................................................................. .............................19 <br />7.2.3 Groundwater .......................................................... .............................19 <br />7.3 Potentially Unsuitable Materials .......................................... .............................19 <br />Section8 — Limitations ............................................................... .............................21 <br />Section 9 — References .............................................................. .............................22 <br />List of Tables <br />Table 1 Summary of Exploration Borings <br />Table 2 Summary of Laboratory Testing Results <br />List of Figures <br />Figure 1 Site Vicinity Map <br />Figure 2 Project Features Map <br />Figure 3 Site Geologic Map <br />Figure 4 Main Dam Centerline Profile and Cross Sections <br />Figure 5 Saddle Dam Centerline Profile Cross Sections <br />List of Appendices <br />Appendix A Rock and Soil Classification System <br />Appendix B Boring and Piezometer Logs <br />Appendix C Laboratory Test Results <br />PR -12 xv 08/10 <br />Il /IE //o <br />