PERMFILE64638

• Permit No: C1981071
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: GEOMORPHIC & ENGINEERING ANALYSIS OF COLO YAMPA COAL CO ECKMAN PARK MINE FINAL REPORT
• Media Type: D
• Archive: No

List of Figures
• Title Page
Figure 2.1. Frequency distributions of slopes sampled on a 500
foot grid over the entire mine area ................ 9
Figure 2.2. Frequency distributions of hillslopes for all mine
areas .............................................. 10
Figure 2.3. Frequency distributions of valley side slopes for
all mine areas ..................................... 11
Figure 2.4. Hypsometric curves for areas 9/10, 51, 7, 31....... 12
Figure 2.5. Hypsometric curves for area 41 ..................... 13
Figure 2.6. Representative profiles of swale in area 9/10 and
dip slope northwest of mine ........................ 18
Figure 2.7. Frequency distributions for area 9/10 and natural
colluvial slopes ................................... 20
Figure 2.8. Channel slope versus drainage area for stream chan-
• nels on approved topography ........................ 22
Figure 2.9. Channel slope versus drainage area for approved and
existing stream channels ........................... 24
Figure 3.1. Results of sediment sample analysis ................ 30
Figure 3.2. Histogram of velocity data for existing and
approved channels (12 foot bottom width)........... 35

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