1958 Map of Mt St. Helens

About this map

Mount St Helens stands as the central landmark of this late-1950s survey, showing the peak decades before its 1980 eruption changed the landscape forever. The summit is detailed with features like the Goat Rocks, The Island, and the Sugar Bowl, surrounded by the high-elevation reaches of the Gifford Pinchot National Forest. This era represents a period of developing recreation and timber access, with the newly formed Swift Reservoir and its Spillway 1008 dominating the southern portion of the map along the Lewis River.