Coldwater Lake and the sweeping Pumice Plain dominate this landscape within the Gifford Pinchot National Forest, illustrating a terrain fundamentally altered by geological forces. The map detail highlights the dramatic recovery and hydrological changes in the wake of volcanic activity, showing the formation of newer water bodies alongside established ones like Saint Helens Lake and the northwestern edge of Spirit Lake.
41 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1919 · Mount St Helens
USGS Topo · 1:125,000
1953 · Hoquiam
USGS Topo · 1:250,000
1953 · Cougar
USGS Topo · 1:62,500
1953 · Elk Rock
USGS Topo · 1:62,500
1957 · Hoquiam
USGS Topo · 1:250,000
1957 · Spirit Lake
USGS Topo · 1:62,500
1958 · Mt St. Helens
USGS Topo · 1:62,500
1958 · Hoquiam
USGS Topo · 1:250,000
1962 · Hoquiam
USGS Topo · 1:250,000
1975 · Mt. St. Helens NE
USGS Topo · 1:24,000