Old Maps of California Valley, California for Academic Research
Study the evolution of California Valley with 12 high-resolution historic maps. Whether you're teaching, researching, or modeling changes in land use, these maps provide essential visual documentation of urban, environmental, and geographic change.
- Analyze long-term change: Track patterns in development, transportation, and natural features.
- Ideal for environmental or urban studies: Support academic projects with primary historical map data.
- Use in the classroom or lab: Educators and researchers rely on these maps to bring historical context to life.
These maps are a powerful tool for teaching, research, and visualizing how California Valley has changed over the decades.
California Valley, CA maps
(12)- 1932 Map of La Panza1932 La Panza1932 Print · USGSSan Luis Obispo County ranch lands meet the high desert during the early 1930s. Genealogists and local historians can trace family-named outposts like La Panza Ranch, the waters of Carnaza Spr, and the remote French Camp.
- 1935 Map of La Panza1935 La Panza1935 Print · USGSThe San Luis Obispo backcountry comes into focus during the mid-thirties, showing the rugged ranch lands between the mountains and the desert flats. Researchers can trace historic creek-side settlements like La Panza or locate water sources such as Mustang Spr and Carriaza Spr.
- 1936 Map of La Panza1936 La Panza1936 Print · USGSThe ranching and mining country of eastern San Luis Obispo County is captured here in the mid-1930s. Genealogists and researchers can trace family lands near La Panza Ranch, locate the camp at French Camp, or follow the course of Placer Creek.3 unique versions available
- 1947 Map of San Luis Obispo, 1948 Print1947 San Luis Obispo1948 Print · USGSCoastal California at the dawn of the Cold War reveals a landscape of massive military reservations and quiet seaside towns. Genealogists and researchers can trace the Southern Pacific rail line, old mining sites like Los Burros Mine, and local landmarks from Point Buchon to the Carrizo Plain.
- 1948 Map of San Luis Obispo1948 San Luis Obispo1948 Print · USGSCentral Coast life in the late 1940s is centered on the Southern Pacific rail line and expanding military bases. Genealogists can trace early rural life through Union School and local operations like the Klau Mine or Buena Vista Mine.
- 1952 Map of La Panza, 1953 Print1952 La Panza1953 Print · USGSThe high desert of eastern San Luis Obispo County is shown here in the early fifties during a period of ranching and early oil exploration. Genealogists and historians can locate remote outposts like La Panza Ranch, the Queen Bee Camp Ground, and topographic landmarks like Syncline Hill.3 unique versions available
- 1956 Map of San Luis Obispo, 1963 Print1956 San Luis Obispo1963 Print · USGSCentral California coastal and valley life unfolds in the mid-fifties, from the shoreline of Pismo Beach to the arid Carrizo Plain. Trace early travel routes along the Southern Pacific RR or locate family sites near the Templeton Cemetery and Paso Robles County Cemetery.5 unique versions available
- 1957 Map of San Luis Obispo1957 San Luis Obispo1957 Print · USGSCoastal California in the late fifties is defined by the steep Santa Lucia Range and the rail-connected hub of San Luis Obispo. Genealogists and researchers can trace rural life via Union School, the Southern Pacific line, and old sites like the Polar Star Mine.
- 1958 Map of San Luis Obispo1958 San Luis Obispo1958 Print · USGSThe Central Coast in the late fifties reveals a landscape of ranching and early tourism before the massive expansion of the modern era. Trace the path of the Southern Pacific through Atascadero or locate family roots in coastal towns like Cayucos and Cambria.
- 1966 Map of California Valley, 1968 Print1966 California Valley1968 Print · USGSThe eastern San Luis Obispo highlands are documented in the mid-1960s as the California Valley community began to take shape. Researchers can trace the development of the Carrizo Plain, the site of the Carrisa Plains Sch, and the remote Simmler area.4 unique versions available
- 1981 Map of San Luis Obispo1981 San Luis Obispo1981 Print · USGSThe Central Coast comes alive in the early eighties as the Southern Pacific railroad connects growing coastal towns and rugged inland ranges. Researchers can trace land grants like Santa Manuela, locate Cem sites, and explore the footprint of California Polytechnic State University.3 unique versions available
- 2021 Map of California Valley, 2021 Print2021 California Valley2021 Print · USGSThe eastern San Luis Obispo County backcountry comes into focus in 2021 as the mountains meet the desert floor. Trace the rugged terrain from Freeborn Mtn down to the grid of California Valley and the open Carrizo Plain.
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