
The John Day River carves a deep path through this portion of Sherman and Gilliam counties, defining the landscape with dramatic geological formations like the iconic Horseshoe Bend. This high-desert terrain is characterized by a complex network of drainages including Buckskin Canyon and Potlatch Canyon, which feed toward the river valley. The topography rises sharply to prominent overlooks such as Adobe Point and Wolf Mtn, offering a clear view of the erosion patterns that have shaped this region over millennia.
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This is the sole edition of this map. No revisions or reprints were ever made.
1916 · Condon
USGS Topo · 1:125,000
1953 · The Dalles
USGS Topo · 1:250,000
1956 · The Dalles
USGS Topo · 1:250,000
1957 · The Dalles
USGS Topo · 1:250,000
1970 · Chimney Springs
USGS Topo · 1:24,000
1970 · Indian Cove
USGS Topo · 1:24,000
1970 · Kent
USGS Topo · 1:24,000
1970 · Macken Canyon
USGS Topo · 1:24,000
1970 · Shoestring Ridge
USGS Topo · 1:24,000
1970 · Rosebush
USGS Topo · 1:24,000