The Okanogan National Forest covers this landscape, centered on the high divide of Thompson Ridge. This 2014 survey documents the complex drainage systems of the Cascade foothills, where the Twisp River cuts through the southern reaches and Wolf Cr flows through the north. The protected Wolf Creek Research Natural Area occupies the northeastern slopes of Virginian Ridge, preserving a specific ecological niche within the forest.
39 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.
1899 · Methow
USGS Topo · 1:125,000
1901 · Methow
USGS Topo · 1:125,000
1955 · Concrete
USGS Topo · 1:250,000
1958 · Concrete
USGS Topo · 1:250,000
1962 · Concrete
USGS Topo · 1:250,000
1962 · Mazama
USGS Topo · 1:62,500
1963 · Doe Mountain
USGS Topo · 1:62,500
1969 · Midnight Mtn.
USGS Topo · 1:24,000
1969 · Thompson Ridge
USGS Topo · 1:24,000
1969 · Buttermilk Butte
USGS Topo · 1:62,500