The Gifford Pinchot National Forest dominates this volcanic landscape, where the aftermath of geological activity is written into the terrain. Deeply incised drainages like Ape Canyon and Lava Canyon define the topography, cutting through volcanic deposits to reach the Muddy River and Smith Creek. The map documents a complex system of water and elevation, notably the sheer drop at Paradise Falls and the steep walls of the Muddy River Gorge.
22 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