
The North Umpqua River watershed defines this section of the Umpqua National Forest, where a complex network of hydroelectric infrastructure is integrated into the high-elevation landscape. Major power generation sites like the Slide Creek Powerplant and Lemolo Powerplant No 2 are connected by the Slide Creek Aqueduct and the Lemolo Canal, showcasing the mid-century engineering of the Umpqua Hydroelectric Project. The settlement of Clearwater serves as a small hub near the Diamond Lake Ranger Station, positioned between the river's forks.
59 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
1955 · Quartz Mtn
USGS Topo · 1:62,500
1955 · Illahee Rock
USGS Topo · 1:62,500
1956 · Toketee Falls
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
1986 · Toketee Falls
USGS Topo · 1:24,000