This historical map portrays the area of Las Trampas Ridge in 1949, primarily covering Contra Costa County as well as portions of Alameda County. Featuring a scale of 1:24000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Las Trampas Ridge region at the time. Published in 1949, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.
29 maps found
1896 Mt. Diablo
Contra Costa County, CA
1898 Mt. Diablo
Contra Costa County, CA
1911 Byron Hot Springs
Contra Costa County, CA
1913 Woodward Island
Contra Costa County, CA
1916 Byron Hot Springs
Contra Costa County, CA
1916 Lone Tree Valley
Contra Costa County, CA
1943 Mt. Diablo
Contra Costa County, CA
1947 Briones Valley
Contra Costa County, CA
1947 Las Trampas Ridge
Contra Costa County, CA
1949 Briones Valley
Contra Costa County, CA
1949 Las Trampas Ridge
Contra Costa County, CA
1949 Mare Island
Contra Costa County, CA
1951 Mare Island
Contra Costa County, CA
1951 Port Chicago
Contra Costa County, CA
1952 Woodward Island
Contra Costa County, CA
1953 Antioch South
Contra Costa County, CA
1953 Byron Hot Springs
Contra Costa County, CA
1953 Tassajara
Contra Costa County, CA
1959 Briones Valley
Contra Costa County, CA
1959 Las Trampas Ridge
Contra Costa County, CA
1959 Mare Island
Contra Costa County, CA
1968 Port Chicago
Contra Costa County, CA
1978 Woodward Island
Contra Costa County, CA
1991 Tassajara
Contra Costa County, CA
1993 Briones Valley
Contra Costa County, CA
1993 Las Trampas Ridge
Contra Costa County, CA
1995 Briones Valley
Contra Costa County, CA
1995 Las Trampas Ridge
Contra Costa County, CA
1996 Tassajara
Contra Costa County, CA