This historical map portrays the area of Thatcher Ridge in 2012, primarily covering Thatcher Ridge. 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 Thatcher Ridge region at the time. Published in 2012, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.
1926 · Covelo
USGS Topo · 1:62,500
1929 · Eden Valley
USGS Topo · 1:62,500
1952 · Hull Mountain
USGS Topo · 1:62,500
1952 · Eden Valley
USGS Topo · 1:62,500
1952 · Covelo
USGS Topo · 1:62,500
1952 · Anthony Peak
USGS Topo · 1:62,500
1957 · Ukiah
USGS Topo · 1:250,000
1960 · Ukiah
USGS Topo · 1:250,000
1966 · Sanhedrin Mtn
USGS Topo · 1:24,000
1966 · Brushy Mtn
USGS Topo · 1:24,000