
Lake Penland sits at the heart of this high-elevation landscape within the Umatilla National Forest, a region defined by its vital water sources and deep drainage systems. The map reveals a land utilized for both conservation and seasonal activity, marked by the Ditch Creek Forest Service Station and working sites like Thompson Corral. Rugged watercourses including Mallory Creek and Potamus Creek carve through the terrain, separated by high points like Potato Hill.
43 named features on this map. Tap any name to fly to it.
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2 editions found
1950 · Ritter
USGS Topo · 1:62,500
1951 · Monument
USGS Topo · 1:62,500
1952 · Ritter
USGS Topo · 1:62,500
1953 · Pendleton
USGS Topo · 1:250,000
1955 · Canyon City
USGS Topo · 1:250,000
1956 · Pendleton
USGS Topo · 1:250,000
1959 · Canyon City
USGS Topo · 1:250,000
1969 · Summerfield Ridge
USGS Topo · 1:24,000
1969 · Lake Penland
USGS Topo · 1:24,000
1969 · Thompson Flat
USGS Topo · 1:24,000