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Research Reports

Methods of Avalanche Control on Washington Mountain Highways, Third Annual Report


A collection of reports on several different aspects of avalanche formation. The reports are entitled:

  1. Some Considerations for Avalanche Defense Design for the Washington Cascades.
  2. Incorporation of Glide and Creep Measurements into Snow Slab Mechanics.
  3. Avalanches and Synoptic Weather Situations in the Cascades during the Winters of 1971-72 and 1972-73.
  4. Indication of Snow Avalanche Periodicity Through Interpretation of Vegetation Patterns in the North Cascades, Washington.
  5. A Visit to the Swiss Federal Institute for Snow and Avalanche Research.
  6. Decision Methods.


  • Date Published: November, 1973
  • Publication Number: WA-RD 8.4
  • Last Modified: August 22, 2007
  • Authors: C. B. Brown, R. J. Evans, T. Fox, D. M. McClung, E. R. LaChapelle, L. Smith.
  • Originator: University of Washington. Geophysics Program; University of Washington. Dept. of Civil Engineering.
  • # of Pages: 197 p., 4,213 KB (PDF)
  • Subject: Avalanches, Control, Creep, Creep properties, Decision making, Deformation, Forecasting, Mountain roads, Mountains, Passes (Mountains), Prevention, Reconnaissance, Snow and ice control, Snow mechanics, Studies, Temperature, Weather conditions, Winter.
  • Keywords: Avalanche, snow, decisions, weather, vegetation, creep, glide dendrochronology, Cascade Range, North Cascades Scenic Highway (Wash.), SR 20.
  • Related Publications: Avalanches on the North Cascade Highway (SR-20), (WA-RD 8.1).
    North Cascades Highway SR-20 Avalanche Atlas, (WA-RD 8.2).
    Avalanche Studies (1971-1972), (WA-RD 8.3).
    Methods of Avalanche Control on Washington Mountain Highways: Interim Report (Fourth Annual Report), (WA-RD 8.5).
    Methods of Avalanche Control on Washington Mountain Highways, (WA-RD 8.6).
    Avalanche Atlas. Part 1. Chinook, Cayuse, White and Snoqualmie Passes, (WA-RD 8.7).
    Avalanche Atlas. Part 2. Stevens Pass and Tumwater Canyon, (WA-RD 8.8.).

This abstract was last modified April 29, 2008