
Umatilla National Forest dominates this section of the Blue Mountains, where the deep drainage of the North Fork John Day River carves through the southern portion of the map. The landscape is defined by its complex hydrology, with numerous named water sources such as Skull Spring, Meengs Spring, and Clark Spring providing critical points in an otherwise arid plateau. The high Bridge Creek Flats stand above a network of erosion-cut ravines including Johnson Canyon and Day Canyon. Human presence is sparse and focused on transit and resource extraction, evidenced by the Ukiah-Dale Wayside along the northern boundary and a Gravel Pit near the headwaters. A single Footbridge spans the river near the confluence of Camas Creek, marking a vital crossing point in a region primarily accessed by a simple Trail system and unimproved roads.
23 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 · Dale
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
1967 · Ukiah SE
USGS Topo · 1:24,000
1967 · Ukiah
USGS Topo · 1:24,000
1967 · Owens Butte
USGS Topo · 1:24,000