PERMFILE41127

• Permit No: C1981023
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 10 PROBABLE HYDROLOGIC CONSEQUENCES
• Media Type: D
• Archive: No

• TABLE OF CONTENTS
PROBABLE HYDROLOGIC CONSEQUENCES CHIMNEY ROCK MINE ........ 1
INTRODUCTION ....................................... 1
SURFACE WATER CONDITIONS ............................ 1
GROUND WATER CONDITIONS ............................. 1
PROBABLE HYDROLOGIC CONSEQUENCES ...........,_....... 3
ALLUVIAL AQUIFER AND SURFACE WATER IMPACTS ............ 3
PICTURED CLIFFS SANDSTONE IMPACTS ..................... 12
FRUITLAND FORMATION IMPACTS ......................... 13
OTHER POSSIBLE IMPACTS ............................... 13
FIGURES
Figure 1 Site Location, Chimney Rock Coal ..................... .... 2
• Figure 2
Figure 3 Generalized Stratigraphic Section, Chimney Rock Coal ::::::::
Cross-Section Locations, Chimney Rock Coal :::: 4
5
Figure 4 Hydrogeologic Cross-Section AA-AA', Chimney Rock Coal ..... .... 6
Figure 5 Hydrogeologic Cross-Section BB-BB', Chimney Rock Coal ...... .... 7
Figure 6 Hydrogeologic Cross-Section CC-CC', Chimney Rock Coal ..... .... 8
TABLES
Table 1 Water Quality Data, Chimney Rock Mine, Pagosa Springs, Colorado ... 10
Table 2 Chimney Rock Coal Mine -Groundwater W-9 ................. 14
Table 3 Chimney Rock Coal Mine -Groundwater W-10 ................. 16
APPENDICES
Appendix I Linear Regression Analyses