
Okanogan National Forest dominates this high-country landscape, where the Chewack River carves a central corridor through steep mountain ridges. This 1963 field-checked survey documents a transition from the wild peaks of Doe Mountain and South Twentymile Pk to the managed wilderness of the mid-20th century. The river valley is punctuated by several recreational nodes, including the Chewack Campground and Falls Creek Campground, reflecting the area's development for public access.
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2 editions found
1899 · Methow
USGS Topo · 1:125,000
1901 · Methow
USGS Topo · 1:125,000
1905 · Okanogan
USGS Topo · 1:125,000
1906 · Chopaka
USGS Topo · 1:125,000
1954 · Okanogan
USGS Topo · 1:250,000
1955 · Concrete
USGS Topo · 1:250,000
1956 · Loup Loup
USGS Topo · 1:62,500
1956 · Tiffany Mountain
USGS Topo · 1:62,500
1956 · Horseshoe Basin
USGS Topo · 1:62,500
1958 · Concrete
USGS Topo · 1:250,000