
The Mount St Helens National Volcanic Monument dominates this landscape, showing a recovery in progress following the 1980 eruption. Several interpretive locations, including the Miners Car Interpretive Site and Meta Lake Interpretive Site, document the immediate and long-term effects of the volcanic event on the surrounding Gifford Pinchot National Forest. This survey captures the terrain's state in the mid-1990s, where viewpoints like Harmony Viewpoint and Donnybrook Viewpoint overlook the changed waters of Spirit Lake. The map details a network of mountain trails and forest roads reaching high points such as Goat Mountain and Bismarck Mountain. Notable water features like Harmony Falls and Ryan Lake are situated among the ridges, providing a clear record of the area's hydrology before further natural successions occurred.
49 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
1926 · Steamboat Mtn
USGS Topo · 1:125,000
1931 · Steamboat Mtn
USGS Topo · 1:125,000
1950 · Yakima
USGS Topo · 1:250,000
1953 · Hoquiam
USGS Topo · 1:250,000
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 · Yakima
USGS Topo · 1:250,000
1958 · Hoquiam
USGS Topo · 1:250,000