
The North Umpqua River carves through the transition between the Willamette National Forest and Umpqua National Forest in this 2014 survey. This reach of the river is marked by significant geothermal and hydroelectric infrastructure, including the Umpqua Hot Springs and the extensive Lemolo Number 2 Canal system. The topography is defined by high ridgelines with evocative names like Dread and Terror Ridge and Calapooya Ridge, which hem in a network of drainage creeks such as Potter Creek and Mowich Creek. Evidence of modern forest management and utility corridor development is visible through features like the Lemolo 1 Powerline and several timber sale areas, including Pot Thinning TS and Terror TS. Towards the south, the Clearwater River and the Clearwater Number One Forebay highlight the intensive water management and power generation landscape of the Douglas County Cascades.
71 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.
1917 · Diamond Lake
USGS Topo · 1:125,000
1956 · Toketee Falls
USGS Topo · 1:62,500
1956 · Diamond Lake
USGS Topo · 1:62,500
1956 · Summit Lake
USGS Topo · 1:62,500
1956 · Garwood Butte
USGS Topo · 1:62,500
1958 · Roseburg
USGS Topo · 1:250,000
1959 · Roseburg
USGS Topo · 1:250,000
1978 · Diamond Lake
USGS Topo · 1:100,000
1985 · Garwood Butte
USGS Topo · 1:24,000
1985 · Diamond Lake
USGS Topo · 1:24,000