- Date: 2011/03/21
- Observer: Brian Lazar
- Organization: Forecast Staff, Colorado Avalanche Information Center
- Area Description: Slope angle from crown to gully was 32 degrees. Mines 1 and 2 slide paths.
- Landmark: Berthoud Pass
- Average Slope Angle: 35 °
- Maximum Slope Angle: 48 °
- Elevation: 12100 ft
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- Sliding Surface: G - At Ground/Ice/Firm
- Weak Layer Grain Type: Depth Hoar
- Average Crown: 48 in
- Maximum Crown: 106 in
- Average Width: 700 ft
- Average Vertical: 900 ft
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