Old Maps of Tri Counties, California for Genealogy
Trace your family roots with 12 historic maps of Tri Counties. These high-res maps reveal old neighborhoods, homesites, landmarks, and streets — helping you uncover where your ancestors lived and how the area evolved over time.
- Explore historic neighborhoods: Identify where your relatives may have lived in the 1800s or 1900s.
- Compare maps over time: Trace the changes in streets, buildings, and landmarks for multi-generational research.
- Perfect for genealogy & ancestry research: Used by family historians and researchers to map out lineage and migration.
These maps are an incredible resource for exploring your personal connection to Tri Counties's past.
Tri Counties, CA maps
(12)- 1919 Map of Adelaida
1919 Adelaida1919 Print · USGSCovers Tri Counties, including Running Deer Ranch, Lake Nacimiento, and other nearby areas2 unique versions available - 1932 Map of Adelaida
1932 Adelaida1932 Print · USGSCovers Tri Counties, including Running Deer Ranch, Lake Nacimiento, and other nearby areas2 unique versions available - 1942 Map of Adelaida
1942 Adelaida1942 Print · USGSCovers Tri Counties, including Running Deer Ranch, Lake Nacimiento, and other nearby areas - 1947 Map of San Luis Obispo, 1948 Print
1947 San Luis Obispo1948 Print · USGSCovers Tri Counties, including San Luis Obispo, Atascadero, and other nearby areas - 1947 Map of Adelaida, 1957 Print
1947 Adelaida1957 Print · USGSCovers Tri Counties, including Running Deer Ranch, Lake Nacimiento, and other nearby areas2 unique versions available - 1948 Map of San Luis Obispo
1948 San Luis Obispo1948 Print · USGSCovers Tri Counties, including San Luis Obispo, Atascadero, and other nearby areas - 1948 Map of Lime Mountain, 1952 Print
1948 Lime Mountain1952 Print · USGSCovers Tri Counties, including Running Deer Ranch, Lake Nacimiento, and other nearby areas4 unique versions available - 1956 Map of San Luis Obispo, 1963 Print
1956 San Luis Obispo1963 Print · USGSCovers Tri Counties, including San Luis Obispo, Atascadero, and other nearby areas5 unique versions available - 1957 Map of San Luis Obispo
1957 San Luis Obispo1957 Print · USGSCovers Tri Counties, including San Luis Obispo, Atascadero, and other nearby areas - 1958 Map of San Luis Obispo
1958 San Luis Obispo1958 Print · USGSCovers Tri Counties, including San Luis Obispo, Atascadero, and other nearby areas - 1961 Map of Adelaida, 1968 Print
1961 Adelaida1968 Print · USGSCovers Tri Counties, including Running Deer Ranch, Lake Nacimiento, and other nearby areas - 1989 Map of Paso Robles
1989 Paso Robles1989 Print · USGSCovers Tri Counties, including Atascadero, Paso Robles, and other nearby areas
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Frequently asked questions
- What are the different types of historical maps available for Tri Counties?
- What is the oldest map of Tri Counties?
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- Are there historical topographic maps available for Tri Counties?
- Is there historical aerial imagery available for Tri Counties?
- Where are historical maps of Tri Counties sourced from?