Old Maps of Martinez, California for Metal Detecting

Plan your next treasure hunt with 13 historic maps of Martinez. 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 Martinez.


Martinez, CA maps

(13)
  1. 1904 Map of Indio
    1904 Map of Indio
    1904 Indio
    1904 Print · USGS
    The Conchilla Desert and San Jacinto Mountains appear here at the turn of the century as the Southern Pacific rail corridor began to transform the valley. Trace early settlements and tribal lands like Cabezon Indian Res., Figtree John, and the Asbestos Mine.
    7 unique versions available

  2. 1941 Map of Coachella, 1956 Print
    1941 Map of Coachella, 1956 Print
    1941 Coachella
    1956 Print · USGS
    Riverside County at the dawn of the 1940s reveals a desert landscape undergoing a profound transformation through irrigation and rail. Genealogists and historians can trace family-named landmarks and tribal boundaries near Indio, Mecca, and the Coachella Valley High Sch.
    2 unique versions available

  3. 1943 Map of Coachella, 1944 Print
    1943 Map of Coachella, 1944 Print
    1943 Coachella
    1944 Print · USGS
    The Coachella Valley was a developing desert agricultural corridor in the early 1940s, centered on the railroad and tribal lands. Researchers can locate early schools like Ensign School, tribal sites including the Torres Martinez Indian Reservation Headquarters, and the shoreline of the Salton Sea.

  4. 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.

  5. 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.

  6. 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.

  7. 1956 Map of Valerie, 1957 Print
    1956 Map of Valerie, 1957 Print
    1956 Valerie
    1957 Print · USGS
    The Colorado Desert at the edge of the Salton Sink comes to life in the mid-fifties as agriculture and ancient heritage intersect. Researchers can locate the Early Indian Fish Traps, Martinez Cemetery, and the original site of 100 Palms.
    4 unique versions available

  8. 1956 Map of Coachella, 1961 Print
    1956 Map of Coachella, 1961 Print
    1956 Coachella
    1961 Print · USGS
    The lower Coachella Valley thrived as a mid-century agricultural powerhouse before the modern resort era fully took hold. Genealogists and historians can trace the foundations of local communities through landmarks like the Coachella Valley Cem, the Thermal Airport, and the Early Indian Fish Traps Petroglyphs.
    2 unique versions available

  9. 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

  10. 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

  11. 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.

  12. 1984 Map of Palm Springs, 1986 Print
    1984 Map of Palm Springs, 1986 Print
    1984 Palm Springs
    1986 Print · USGS
    Riverside 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

  13. 2021 Map of Valerie, 2021 Print
    2021 Map of Valerie, 2021 Print
    2021 Valerie
    2021 Print · USGS
    Riverside County at the start of the 2020s shows a fascinating mix of traditional desert agriculture and modern suburban growth. Genealogists and local historians can trace the foundations of the area at the Toro Cem, One Hundred Palms, and the rural settlement of Oasis.

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Showing maps 1-13 of 13

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