
This historical map portrays the area of Thompson Flat in 2011, primarily covering Thompson Flat. Featuring a scale of 1:24,000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Thompson Flat region at the time. Published in 2011, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.
1950 · Ritter
USGS Topo · 1:62,500
1951 · Monument
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
1969 · Lake Penland
USGS Topo · 1:24,000
1969 · Sugarbowl Creek
USGS Topo · 1:24,000
1969 · Deerhorn Creek
USGS Topo · 1:24,000