This historical map portrays the area of Twin Lakes in 2011, primarily covering Speer Ranch. 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 Twin Lakes 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.
1948 · Antioch
USGS Topo · 1:62,500
1948 · Lakeside
USGS Topo · 1:62,500
1948 · Twin Lakes
USGS Topo · 1:62,500
1949 · Antioch
USGS Topo · 1:62,500
1950 · Twin Lakes
USGS Topo · 1:62,500
1950 · Lakeside
USGS Topo · 1:62,500
1950 · Skunk Lake
USGS Topo · 1:62,500
1955 · Alliance
USGS Topo · 1:250,000
1957 · Alliance
USGS Topo · 1:250,000
1958 · Alliance
USGS Topo · 1:250,000