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1983 Map of Hoffstadt Mtn

Name: 1983 Topographic Map of Hoffstadt Mtn
Creator: U.S. Geological Survey
Published: 1984
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1984

About this map

The North Fork Toutle River valley undergoes a profound transformation in this 1983 survey, which documents the scarred landscape following the 1980 eruption of Mount St. Helens. Extensive zones of Mud Flow and massive areas of Blowdown dominate the river corridor, illustrating the immense power of the volcanic event. To manage the shifting sediment, engineering works like the Toutle Dam and the Debris Dam Earth Fill appear as critical infrastructure projects.

Upland from the valley floor, the Toutle Mountain Range and Hoffstadt Mtn rise above the devastation. The map records a landscape in flux, marked by numerous Borrow Pits and Quarry sites likely used for reconstruction and dam building. The former site of Camp Baker and a network of 4wd tracks provide points of reference for those tracing the history of this altered terrain within the Gifford Pinchot National Forest Mount St Helens National Volcanic Monument.