Old Maps of Acacia Knolls, Laguna Hills for Metal Detecting

Plan your next treasure hunt with 16 historic maps of Acacia Knolls. Find old homesites, ghost towns, trails, and gathering spots that may be lost to time — perfect for identifying promising metal detecting locations.

  • Locate forgotten sites: Uncover places like long-lost settlements, abandoned rail lines, or gathering spots.
  • Plan better hunts: Use map overlays combined with LiDAR or satellite views to narrow in on historically rich areas.
  • Made for detectorists: Thousands of hobbyists use these maps to discover relics, coins, and hidden history.

Use these historic maps to boost your research and find new opportunities beneath the surface of Acacia Knolls.


Acacia Knolls, Laguna Hills maps

(16)
  1. 1901 Map of Southern California Sheet No. 1
    1901 Map of Southern California Sheet No. 1
    1901 Southern California Sheet No. 1
    1901 Print · USGS
    Greater 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

  2. 1902 Map of Corona
    1902 Map of Corona
    1902 Corona
    1902 Print · USGS
    The Orange County and Riverside borderlands at the start of the 1900s show an era of rapid rail expansion and water engineering. Researchers can trace the early footprints of Anaheim and Orange or find vanished industry at the Santiago Coal Mine.
    7 unique versions available

  3. 1904 Map of Southern California Sheet No. 1, 1905 Print
    1904 Map of Southern California Sheet No. 1, 1905 Print
    1904 Southern California Sheet No. 1
    1905 Print · USGS
    Southern 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

  4. 1942 Map of Santiago Peak, 1943 Print
    1942 Map of Santiago Peak, 1943 Print
    1942 Santiago Peak
    1943 Print · USGS
    Orange County and the inland canyons appear here in the early 1940s, showing a landscape of small settlements and rugged mountain reaches. Genealogists and local historians can trace early holdings near San Juan Capistrano, the station at El Toro, and mountain landmarks like Modjeska.
    3 unique versions available

  5. 1947 Map of Santa Ana, 1949 Print
    1947 Map of Santa Ana, 1949 Print
    1947 Santa Ana
    1949 Print · USGS
    Southern 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.

  6. 1948 Map of San Juan Capistrano, 1957 Print
    1948 Map of San Juan Capistrano, 1957 Print
    1948 San Juan Capistrano
    1957 Print · USGS
    Southern Orange County appears in the late 1940s as a land of expansive ranching grants and quiet valley settlements. You can trace the historic Mission at San Juan Capistrano, the winding Atchison Topeka and Santa Fe rail line, and early coastal life near South Laguna.
    3 unique versions available

  7. 1949 Map of San Juan Capistrano
    1949 Map of San Juan Capistrano
    1949 San Juan Capistrano
    1949 Print · USGS
    Coastal Orange County in the late 1940s retains its pastoral character, centered on the historic Mission at San Juan Capistrano. Genealogists and local historians can trace the early rail-and-road corridor of the Atchison Topeka and Santa Fe and the original Ortega Highway.

  8. 1949 Map of Santa Ana
    1949 Map of Santa Ana
    1949 Santa Ana
    1949 Print · USGS
    Southern 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.

  9. 1956 Map of Santa Ana
    1956 Map of Santa Ana
    1956 Santa Ana
    1956 Print · USGS
    Southern 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.

  10. 1959 Map of Santa Ana, 1971 Print
    1959 Map of Santa Ana, 1971 Print
    1959 Santa Ana
    1971 Print · USGS
    Southern 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

  11. 1960 Map of Santa Ana
    1960 Map of Santa Ana
    1960 Santa Ana
    1960 Print · USGS
    Southern 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

  12. 1965 Map of Santa Ana
    1965 Map of Santa Ana
    1965 Santa Ana
    1965 Print · USGS
    Southern 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.

  13. 1968 Map of San Juan Capistrano, 1969 Print
    1968 Map of San Juan Capistrano, 1969 Print
    1968 San Juan Capistrano
    1969 Print · USGS
    Coastal Orange County in the late sixties shows the emergence of iconic master-planned communities and the infrastructure of the postwar boom. Genealogists and local historians can trace early neighborhood layouts in Laguna Hills and Laguna Niguel or locate landmarks like the Paz Landing Strip.
    4 unique versions available

  14. 1974 Map of San Juan Capistrano, 1977 Print
    1974 Map of San Juan Capistrano, 1977 Print
    1974 San Juan Capistrano
    1977 Print · USGS
    Coastal Orange County undergoes a period of rapid suburban growth in the mid-1970s, as seen from this unique aerial perspective. Researchers can trace the early development of modern residential tracts and infrastructure surrounding the historic San Juan Capistrano.

  15. 1983 Map of Santa Ana
    1983 Map of Santa Ana
    1983 Santa Ana
    1983 Print · USGS
    Coastal Orange County meets the Inland Empire in the early eighties as suburban growth accelerates through the SANTA ANA MOUNTAINS. Researchers can trace institutional and military history at MARCH AIR FORCE BASE, locate the Santiago Coal Mine, or find family sites near Fairhaven Cem.

  16. 2022 Map of San Juan Capistrano, 2022 Print
    2022 Map of San Juan Capistrano, 2022 Print
    2022 San Juan Capistrano
    2022 Print · USGS
    Southern Orange County in the early twenty-first century is a landscape of master-planned communities and rugged coastal canyons. Trace the development of Laguna Hills and Mission Viejo alongside landmarks like Saddleback College and the Mission Cem.

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Frequently asked questions

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