
Coombs Canyon and the surrounding high plateau of Umatilla County are defined by a network of drainage systems and rural access routes. This area, located south of Pendleton, shows a landscape carved by Mud Spring Canyon in the north and dotted with isolated water sources like Crazy John Spring. The map documents the enduring layout of section lines and the specialized local road network that serves the region's agricultural and ranching interests.
20 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.
1908 · Umatilla
USGS Topo · 1:125,000
1935 · Pendleton
USGS Topo · 1:125,000
1953 · Pendleton
USGS Topo · 1:250,000
1956 · Pendleton
USGS Topo · 1:250,000
1966 · Mc Kay Reservoir
USGS Topo · 1:24,000
1966 · Pendleton
USGS Topo · 1:24,000
1966 · Barnhart
USGS Topo · 1:24,000
1966 · Coombs Canyon
USGS Topo · 1:24,000
1967 · Nye
USGS Topo · 1:24,000
1967 · Pilot Rock
USGS Topo · 1:24,000