- Date: 2011/12/30
Time: 11:00 AM (Estimated)
- Area Description: Area known as the nitro chutes, below the main cliff band
- Landmark: Berthoud Pass west side
- Average Slope Angle: 35 °
- Maximum Slope Angle: 40 °
- Elevation: 11450 ft
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- Sliding Surface: O - Within Old Snow
- Weak Layer: Unknown
- Weak Layer Grain Type: Unknown
- Comments: Estimated
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