GENERAL54792

• Permit No: C1980001
• IBM Index Class Name: General Documents
• Doc Date: 7/17/2000
• Doc Name: 2000 EROSION INVENTORY REPORT
• Media Type: D
• Archive: No

' Table 1_5: West Ridge Block 7-8 Erosion Condition Classification
Possible
' Item Score 2000 1999 1998 1997 1996
Soil Movement 14 3 3 3 3 3
' Surface Litter 14 2 3 0 0 0
Surface Rock Fragments 14 0 0 0 0 0
Pedestalling 14 0 0 0 0 0
' Flow Patterns 15 3 3 6 5 5
Rills 14 8 9 9 6 6
Gullies 15 6 6 5 3 3
' Total 100 22 24 23 17 17
Erosion Condition Classification: Slight Slight Slight Stable Stable
' Block 8-9
The erosion condition composite SSF score for this site was 27, which placed i[ in the
Slight erosion class. The tabulated results for this survey aze contained in Table 16. Snowmelt
' from drifts in the bowl immediately south of the road have formed some small rills. These rills
do not require repair at this time. Snow dams across the terrace resulted in the terrace

'
overtopping. Corrective actions plan /
ned as a result of this inventory include repairing the terrace ~
in the areas where it overtopped and regrading the intersection of the terrace and road.
' Table 16: West Ridge Block 8-9 Erosion Condition Classification
Possible
Item Score 2000 1999 1998 1997 1996
Sail Movement 14 5 3 2 3 3
' Surface Litter 14
Surface Rock Fragments 14 3
0 3
0 1 0 0
0 0 2
Pedestalling 14 0 0 0 0 0
Flow Patterns l5 6 0 1 3 5
Rills 14 9 3 3 9 6
Gullies I S 4 3 0 3 3
' Total 100 27 12 7 18 19
Erosion Condition Classification: Slight Stable Stable Stable Stable
' Block 9-]0
The erosion condition composite SSF score for this site was 19, which placed it in the
Stable erosion class. The tabulated results for this survey are contained in Table 17. Old rills
gullies in the southern portion of the block appear stable. Anew gully has formed from where
terrace 8-9 overtopped, across block 9-10. Corrective actions planned as a result of this , /
inventory include cross furrowing gullies and regrading the intersection of the terrace and road. V
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