
Lonerock serves as the central settlement on this mid-1990s survey, tucked into the high desert landscape where the boundaries of Gilliam Co and Wheeler Co meet. The area is defined by a complex network of canyons and ridges, including Boone Canyon and Stahl Canyon, which channel seasonal water toward Lone Rock Creek. To the south, the landscape rises into the Umatilla National Forest, marked by the distinct prominence of Cone Mt and the drainage of Buckhorn Creek.
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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
1926 · Mitchell
USGS Topo · 1:125,000
1953 · Spray
USGS Topo · 1:62,500
1953 · Pendleton
USGS Topo · 1:250,000
1953 · The Dalles
USGS Topo · 1:250,000
1955 · Bend
USGS Topo · 1:250,000
1955 · Canyon City
USGS Topo · 1:250,000
1956 · The Dalles
USGS Topo · 1:250,000
1956 · Pendleton
USGS Topo · 1:250,000
1957 · Bend
USGS Topo · 1:250,000