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3. Canadian Avalanche Association (CAA), 1995. Observation guidelines and recording standards for weather, snowpack, and avalanches. Canadian Avalanche Centre, Revelstoke, BC, Canada.
4. The formation of faceted layers above crusts;Colbeck;Cold Regions Science and Technology,2001
5. Fitzharris, B.B., 1981. Frequency and climatology of major avalanches at Rogers Pass 1909–1977. DBR Paper 956, National Research Council, Canadian Association Committee on Geotechnical Research, Ottawa, ON.