Van Zandt Landslide Introduction / Reading the Washington Landscape, Dan McShane

DEM of the Van Zandt Slide

Sunday, October 18, 2015  Dan McShane

A large landslide involving bedrock of the Chuckanut Formation has left a disconcerting set of deposits on the Nooksack River Valley floor near the confluence of the South Fork Nooksack and the main stem of the river.

Geoffrey Malick led me and a few other helpers to the top of the slide area as he is doing some much needed research and investigation of the landslide. There have been reports of some slide movement or noises coming coming from the mountainside. Indeed it appears that there is some recent movement. […]
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