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Old Maps of Lathrop, California for Metal Detecting

Plan your next treasure hunt with 14 historic maps of Lathrop. 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 Lathrop.

Lathrop, CA maps

(14)
  1. 1914 Map of Union Island
    1914 Map of Union Island
    1914 Union Island
    1914 Print · USGS
    The San Joaquin Delta was a maze of reclaiming lands and new canals in the years before the Great War. Researchers can trace the early infrastructure of Union Island and find rural landmarks like the Naglee School and the Southern Pacific line.
    2 unique versions available
  4. 1915 Map of Lathrop
    1915 Map of Lathrop
    1915 Lathrop
    1915 Print · USGS
    San Joaquin County at the height of the railroad era reveals a complex delta landscape of river bends and major rail junctions. Researchers can trace the early footprints of Lathrop and Banta or locate vanished rural schoolhouses like Island School and Mossdale School.
    2 unique versions available
  7. 1947 Map of San Jose, 1948 Print
    1947 Map of San Jose, 1948 Print
    1947 San Jose
    1948 Print · USGS
    Northern California's heartland is captured here just after the war, showing the rapid growth of the Santa Clara and Central Valleys. Researchers can trace the legacy of rail and water at Castle Air Force Base, Stockton, and the Hetch Hetchy Aqueduct.
  10. 1952 Map of Union Island, 1953 Print
    1952 Map of Union Island, 1953 Print
    1952 Union Island
    1953 Print · USGS
    The San Joaquin Delta of the early fifties is mapped here as a productive landscape of reclaimed land and sloughs. Researchers can trace the legacy of local education and industry through the David Bixler Sch and the Sugar Refinery.
    4 unique versions available
  13. 1952 Map of Lathrop, 1954 Print
    1952 Map of Lathrop, 1954 Print
    1952 Lathrop
    1954 Print · USGS
    The San Joaquin Delta in the early fifties shows a landscape of intensive reclamation and military logistics centered on Lathrop. Genealogists and historians can trace rail-side industry at the Sharpe General Depot and locate old rural schoolhouses like Garden Sch and Mossdale Sch.
    8 unique versions available
  16. 1952 Map of Stockton, 1959 Print
    1952 Map of Stockton, 1959 Print
    1952 Stockton
    1959 Print · USGS
    The San Joaquin Delta during the early fifties shows a thriving river economy and growing urban centers at the heart of the Central Valley. Genealogists can trace rural life through numerous one-room schools like David Bixler School or find industrial roots at the Sugar Refinery and Sharpe General Depot.
    2 unique versions available
  19. 1956 Map of San Jose
    1956 Map of San Jose
    1956 San Jose
    1956 Print · USGS
    Central California in the mid-fifties reveals the transition from sprawling orchards to growing urban hubs like San Jose and Stockton. Genealogists and historians can trace the rail-era landscape of the Mother Lode through Chinese Camp and Tuttletown, or follow the water through the Joaquin River and Calaveras Reservoir.
  22. 1962 Map of San Jose
    1962 Map of San Jose
    1962 San Jose
    1962 Print · USGS
    Central California in the early sixties showcases the expansion of the San Joaquin and Santa Clara valleys. Researchers can trace the rail-to-road transition along the Southern Pacific RR or locate landmarks like Castle USAF Base and Loma Prieta.
    4 unique versions available
  25. 1966 Map of San Jose
    1966 Map of San Jose
    1966 San Jose
    1966 Print · USGS
    Central California in the mid-1960s reveals a landscape of massive irrigation projects and expanding Cold War military footprints. Researchers can trace the rail-and-river network of the San Joaquin Valley or locate specialized sites like Castle Air Force Base and the Sharp General Depot (Military).
  28. 1978 Map of Union Island
    1978 Map of Union Island
    1978 Union Island
    1978 Print · USGS
    The reclaimed delta lands of San Joaquin County are shown in the late seventies as industrial and residential growth reaches the Tracy area. Researchers can trace the hydraulic history of the region through the Old River, Delta Island Sch, and Tom Paine Slough.
  31. 1989 Map of Stockton
    1989 Map of Stockton
    1989 Stockton
    1989 Print · USGS
    During the late 1980s, the California Delta and San Joaquin Valley saw a massive convergence of water infrastructure and military logistics. Researchers can trace the sprawling Lawrence Livermore Laboratory (Univ of Calif) and Sharpe Army Depot alongside the complex waterways of Union Island and Victoria Island.
    2 unique versions available
  34. 1996 Map of Lathrop, 2000 Print
    1996 Map of Lathrop, 2000 Print
    1996 Lathrop
    2000 Print · USGS
    The San Joaquin River delta meets a massive rail and military logistical hub in the mid-1990s. Researchers can trace the sprawling Sharpe General Depot, the rail junction at Lathrop, and riverfront landmarks like Mossdale and Weatherbee Lake.
  37. 2021 Map of Union Island, 2021 Print
    2021 Map of Union Island, 2021 Print
    2021 Union Island
    2021 Print · USGS
    San Joaquin County’s delta landscape is captured in the early 2020s, showing the intersection of reclaimed farmland and expanding city limits. Trace the intricate waterways of Union Island and Old River alongside the growth of Tracy and Lathrop.
  40. 2021 Map of Lathrop, 2021 Print
    2021 Map of Lathrop, 2021 Print
    2021 Lathrop
    2021 Print · USGS
    Lathrop and the San Joaquin River corridor are shown in the early 2020s as residential growth meets the valley's complex water network. Researchers can trace the modern expansion of Manteca and West Manteca alongside historic waterways like Tom Paine Slough and Old River.
End of results
Showing maps 1-14 of 14

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