
This historical map portrays the area of O'Brien in 2011, primarily covering O'Brien. 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 O'Brien 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.
1917 · Kerby
USGS Topo · 1:125,000
1918 · Kerby
USGS Topo · 1:125,000
1922 · Preston Peak
USGS Topo · 1:125,000
1945 · Kerby
USGS Topo · 1:125,000
1945 · Gasquet
USGS Topo · 1:62,500
1948 · Weed
USGS Topo · 1:250,000
1950 · Weed
USGS Topo · 1:250,000
1951 · Gasquet
USGS Topo · 1:62,500
1954 · Cave Junction
USGS Topo · 1:62,500
1954 · Chetco Peak
USGS Topo · 1:62,500