This historical map portrays the area of Clearlake Highlands in 2015, primarily covering Clearlake as well as portions of Clearlake Riviera, Riviera Estates, and Clearlake Park. 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 Clearlake Highlands region at the time. Published in 2015, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.
1921 · Kelseyville
USGS Topo · 1:62,500
1924 · Bartlett Springs
USGS Topo · 1:62,500
1938 · Lakeport
USGS Topo · 1:62,500
1942 · Bartlett Springs
USGS Topo · 1:62,500
1943 · Kelseyville
USGS Topo · 1:62,500
1944 · Bartlett Springs
USGS Topo · 1:62,500
1945 · Lower Lake
USGS Topo · 1:62,500
1947 · Santa Rosa
USGS Topo · 1:250,000
1949 · Santa Rosa
USGS Topo · 1:250,000
1951 · Lakeport
USGS Topo · 1:62,500