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St. Mary’s Avalanche – March 1, 2010

Missoula Avalanche Photo Gallery

CT 5; Quality 1 Shear; Aspect 10 degree N

CT 5; Quality 1 Shear; Aspect 10 degree N

Trigger point: Aspect; 10 degrees N; shallow slab 10-15cm that propagated to 50cm deep

Trigger point: Aspect; 10 degrees N; shallow slab 10-15cm that propagated to 50cm deep

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This West Central Montana Avalanche Foundation is a 501(c)(3) nonprofit organization, an equal opportunity employer, and a special use permittee of the Bitterroot, Nez Perce-Clearwater, and Lolo National Forests. Avalanche information is provided through the U.S.D.A. Forest Service and describes general backcountry avalanche hazards and conditions. It does not apply to ski areas and highways where avalanche mitigation occurs.

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