Old Maps of Thomas Mountain, California for Genealogy
Trace your family roots with 16 historic maps of Thomas Mountain. 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 Thomas Mountain's past.
Thomas Mountain, CA maps
(16)- 1901 Map of Southern California Sheet No. 1
1901 Southern California Sheet No. 11901 Print · USGSGreater Los Angeles at the dawn of the twentieth century is a landscape of growing citrus towns and a burgeoning rail network. Genealogists and historians can trace the early gridded streets of Hollywood and Pasadena or locate landmarks like Bear Lake and the Cahuilla Indian Reservation.6 unique versions available - 1901 Map of San Jacinto
1901 San Jacinto1901 Print · USGSRiverside County at the dawn of the twentieth century shows a landscape transitioning from tribal lands and mountain reserves to citrus and rail hubs. Genealogists can trace early homesteads and rail stops like Palm Springs Sta. and the grid of Florida or the secluded Kenworthy.9 unique versions available - 1904 Map of Southern California Sheet No. 1, 1905 Print
1904 Southern California Sheet No. 11905 Print · USGSSouthern California at the dawn of the twentieth century shows a landscape of citrus groves and coastal towns connected by rail. Genealogists and historians can trace early settlements like San Juan Capistrano, find remote sites like the Rose Mine, and study the original water systems of the Santa Ana River.2 unique versions available - 1940 Map of Hemet Reservoir, 1956 Print
1940 Hemet Reservoir1956 Print · USGSRiverside County's high-country terrain and tribal lands come into focus in this mid-century survey of the San Jacinto area. Genealogists and researchers can trace old ranch trails and remote sites like Anza, Keen Camp, and the Gold Shot Mine. - 1942 Map of Hemet Reservoir, 1943 Print
1942 Hemet Reservoir1943 Print · USGSRiverside County ranching and mountain life are captured here in the early nineteen-forties, spanning from high alpine ridges down to the valley floors. Researchers can locate family outposts like Garner Ranch, the Gold Shot Mine, and the Hamilton School. - 1947 Map of Santa Ana, 1949 Print
1947 Santa Ana1949 Print · USGSSouthern California is depicted here in the late forties, showing the expansion of the Inland Empire and the Orange County coast. Researchers can trace the early layout of Palm Springs or locate long-standing tribal lands like the Pala Indian Reservation and Rincon Indian Res. - 1949 Map of Santa Ana
1949 Santa Ana1949 Print · USGSSouthern California underwent a profound transformation in the late 1940s as military installations and citrus groves shared the landscape. Researchers can trace early coastal growth at Laguna Beach, military history at Camp Pendleton, and the rail corridors of the Pacific Electric. - 1956 Map of Santa Ana
1956 Santa Ana1956 Print · USGSSouthern California underwent massive mid-century transformation as suburban growth met major military and water projects. Trace the postwar expansion of Santa Ana and Riverside, the layout of Camp Pendleton, and the path of the Colorado River Aqueduct. - 1959 Map of Idyllwild, 1961 Print
1959 Idyllwild1961 Print · USGSThe high San Jacinto peaks and ranchlands of Riverside County are captured here in the late fifties. Genealogists and local historians can trace family properties like Fleming Ranch or locate the Lucky Deer Mine and the Hamilton Sch.3 unique versions available - 1959 Map of Santa Ana, 1971 Print
1959 Santa Ana1971 Print · USGSSouthern California is captured in a decade of transformation, from the Orange County coast to the desert floor. Researchers can trace the mid-century footprints of Camp Pendleton, March Air Force Base, and the original Ortega Highway.3 unique versions available - 1960 Map of Santa Ana
1960 Santa Ana1960 Print · USGSSouthern California's coastal plains and inland deserts meet in this mid-century survey of the burgeoning Orange and Riverside county corridors. Researchers can trace the layout of early freeway systems, find tribal lands like the Soboba Indian Reservation, and locate military landmarks such as March Field.2 unique versions available - 1965 Map of Santa Ana
1965 Santa Ana1965 Print · USGSSouthern California is captured in a decade of rapid growth, showing the coastal expansion from Santa Ana down to Oceanside. Genealogists and historians can trace the mid-century development of places like Garden Grove or the rural reaches of Escondido and the Palomar Observatory. - 1981 Map of Anza, 1982 Print
1981 Anza1982 Print · USGSHigh desert valleys and tribal lands in the early eighties reveal a landscape of mountain ranches and remote outposts. Researchers can trace family-named landmarks and local sites like Anza, the Hamilton Sch, and the Cahuilla Indian Reservation.3 unique versions available - 1984 Map of Palm Springs, 1986 Print
1984 Palm Springs1986 Print · USGSRiverside County’s desert resorts and valley agriculture are captured here in the mid-eighties as modern development expanded across the Coachella Valley. Genealogists and researchers can trace the growth of Palm Springs, locate family land near the Soboba Indian Reservation, or follow the Southern Pacific rail line through Banning.3 unique versions available - 1996 Map of Anza, 1999 Print
1996 Anza1999 Print · USGSThe high plateaus of Riverside County come alive in the mid-nineties, showing the rural character of the Cahuilla Indian Reservation and Anza. Genealogists and historians can trace the local landscape through the Cahuilla Cemetery, Hamilton School, and the remote Magee Spring. - 2021 Map of Anza, 2021 Print
2021 Anza2021 Print · USGSThe Anza Valley and Cahuilla regions of Riverside County are captured here in the early twenty-first century as they balance rural living with the mountain wilderness. Researchers can trace local lineage at the Cahuilla Cem or explore the rugged landmarks of Thomas Mountain and Cave Rocks.
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