Signal Peak rises as the dominant landmark in this high-elevation landscape within Yakima County, where the terrain is defined by a series of prominent ridges and deep creek drainages. To the west, the Klickitat River cuts through the northwest corner, while the interior is carved by Surveyors Cr, Trout Cr, and Pole Cr. The map reveals a complex network of Bureau of Indian Affairs (BIA) routes, such as BIA 140 Rd and BIA 220 Rd, which provide access to high points like Peavine Ridge and Pinegrass Ridge. These roads facilitate movement across the high country, connecting isolated points like Saxton Rock and the low-lying Cedar Valley. The presence of Jungle Spring highlights the critical, scattered water sources found throughout this upland environment, which remains largely characterized by natural features rather than concentrated settlements.
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This is the sole edition of this map. No revisions or reprints were ever made.
1904 · Mount Adams
USGS Topo · 1:125,000
1907 · Mount Adams
USGS Topo · 1:125,000
1950 · Yakima
USGS Topo · 1:250,000
1958 · Yakima
USGS Topo · 1:250,000
1961 · Yakima
USGS Topo · 1:250,000
1968 · Twin Buttes
USGS Topo · 1:24,000
1969 · Castile Falls
USGS Topo · 1:24,000
1970 · Outlet Falls
USGS Topo · 1:24,000
1970 · Lost Horse Plateau
USGS Topo · 1:24,000
1970 · Glenwood
USGS Topo · 1:24,000