2012-02-28_REVISION - M1980244 ‎(90)‎

• Permit No: M1980244
• IBM Index Class Name: REVISION
• Doc Date: 2/28/2012
• Doc Name: VOL. 2, Appendix 1: Table of Contents & Introduction
• From: CRIPPLE CREEK & VICTOR GOLD MINING COMPANY
• To: DRMS
• Type & Sequence: AM10
• Email Name: TC1
• Media Type: D
• Archive: No

TableofContents AdrianBrown
1. INTRODUCTION 1
2. REGIONAL HYDROLOGY EVALUATION 3
2.1 Climate 3
2.2 Geology 4
2.3 Surface Water 4
2.4 Ground Water 5
2.4.1 Ground Water Flow 5
2.4.2 Infiltration 8
2.4.3 Hydraulic Conductivity 9
2.5 Hydrology Model 10
2.6 Potential Hydrologic Impact 11
2.6.1 MLE2 Mining Activities 11
2.6.2 Surface Water Flow Potential
Impact 11
2.6.3 Ground Water Flow Potential
Impact 12
2.7 Conclusion 13
3. HYDROGEOCHEMICAL EVALUATION 14
3.1 Hydrogeochemical System 14
3.2 Potential Impact of Sulfide Oxidation 14
3.2.1 Method 14
3.2.2 Acid Generating Potential 14
3.2.3 Acid Neutralizing Potential 15
3.2.4 Acid -Base Accounting 15
3.2.5 Exposed Mine Walls 16
3.2.6 Pit Lakes 17
1385L.20120125 i