
The boundary between Gilliam Co and Wheeler Co bisects a landscape of high plateaus and steep canyons in this 1970 survey. The northern reaches are characterized by broad agricultural expanses like Beecher Flats, where infrastructure for grain production is evident at the Grain Elevator and various Storage Bins. To the south, the terrain drops sharply into the drainages of Hoover Creek and Butte Creek, near the northern edge of the town of Fossil.
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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 · The Dalles
USGS Topo · 1:250,000
1955 · Bend
USGS Topo · 1:250,000
1956 · The Dalles
USGS Topo · 1:250,000
1957 · Bend
USGS Topo · 1:250,000
1957 · The Dalles
USGS Topo · 1:250,000
1958 · Bend
USGS Topo · 1:250,000
1966 · Kinzua
USGS Topo · 1:62,500
1966 · Clarno
USGS Topo · 1:62,500