Government Mineral Springs sits in the southeastern corner of this mountainous landscape, serving as a rare point of named human infrastructure within the dense terrain of the Gifford Pinchot National Forest. This 2013 survey details a topography defined by steep ridges and high summits, including Observation Peak, Calamity Peak, and the central Bare Mtn. A complex network of Forest Service roads, such as Nat For Dev Rd 54 and Nat For Dev Rd 317, provides the only access through deep drainage basins like those of Trapper Cr and Siouxon Cr. High-elevation landmarks like the Observation Peak Lookout and the Observation Berryfield Campground suggest a landscape managed for both fire surveillance and recreation. The presence of Soda Peaks Lake tucked beneath the Soda Peaks underscores the glacial and volcanic history that carved these Cascadian highlands.
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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
1926 · Hood River
USGS Topo · 1:125,000
1929 · Hood River
USGS Topo · 1:125,000
1931 · Steamboat Mtn
USGS Topo · 1:125,000
1940 · Lookout Mtn
USGS Topo · 1:62,500
1948 · Vancouver
USGS Topo · 1:250,000
1950 · Vancouver
USGS Topo · 1:250,000
1950 · Vancouver
USGS Topo · 1:250,000
1950 · Yakima
USGS Topo · 1:250,000