PERMFILE129229

• Permit No: C1981018
• IBM Index Class Name: Permit File
• Doc Date: 5/13/2002
• Doc Name: Refuse Area Revegetation Study
• Section_Exhibit Name: SECTION V. Appendix A
• Media Type: D
• Archive: No

Table of Contents
• Executive Summary iii
................................................
j Introduction ...................................................... 1
•
Study Plan Design ........................................... ...... 2
Pre-reclamation Investigation ............................ . .. ...... 2
Test Plot Reclamation Plan ................................ ...... 3
Post-reclamation Investigation .............................. ...... 6
Communication with Colorado Division of Minerals and Geology ...... ...... 6
Post-reclamation Investigation ............................ ............. 7
Methods ...................................... ............. 7
Vegetative Cover .............................. ............. 7
Herbaceous Production .......................... ............. 8
Woody Plant Density and Rooting Depth ............. ............. 8
Soils ...................................... ............. 8
Results ....................................... ............. 9
Vegetative Cover .............................. ............. 9
Herbaceous Production .......................... ............ 14
Woody Plant Density and Rooting Depth ............. ............ 19
Soils ...................................... ............ 19
Success Criteria and Conclusions ..................... ............ 24
Other Mine Studies ............................ ............ 25
Figures
Figure 1 Revegetation Test Plot Locations ............................... . 4
Figure 2 Comparison of Total Vegetative Cover for Each Test Plot .............. ]0
Figure 3 Compazison of Annual Vegetative Cover for Each Test Plot ............ I1
Figure 4 Comparison of Perennial Vegetative Cover for Each Test Plot ........... 12
Figure 5 Compazison of Herbaceous Production Total Weights for Each Test Plot .... 16
Figure 6 Comparison of Herbaceous Production Annual Weights for Each Test Plot .. 17
Figure 7 Compazison of Herbaceous Production Perennial Weights for Each Test Plot 18
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