Not any longer. They now use a 105mm Howitzer among other means. https://wsdot.wa.gov/travel/operations-services/avalanche-control https://wsdot.wa.gov/travel/

Not any longer. They now use a 105mm Howitzer among other means. https://wsdot.wa.gov/travel/operations-services/avalanche-control https://wsdot.wa.gov/travel/operations-services/avalanche-co...