
Lake Penland sits near the northern boundary of the Umatilla National Forest, serving as a central water feature for this high-elevation landscape in the late 1960s. The topography is defined by the deep incisions of Ditch Creek, Mallory Creek, and Potamus Creek, which carve through the plateau. Evidence of seasonal management and habitation is found at the Ditch Creek Forest Service Station, while remote outposts like Groshen Cabin and McMurdo Cabin are tucked into the drainages.
41 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 · Thompson Flat
USGS Topo · 1:24,000
1969 · Arbuckle Mtn
USGS Topo · 1:24,000