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1970s Maps of San Joaquin County, California

Explore 9 historic maps of San Joaquin County from the 1970s. These maps offer a rare glimpse into what life looked like during the 1970s — showing old roads, neighborhoods, homes, and landmarks that have changed or disappeared over time.

Whether you're researching your family's past, planning a metal detecting trip, or studying how San Joaquin County's landscape evolved across the 1970s, these high-resolution maps are a powerful tool for exploring the history of this region.

  • Focus on a specific era: All maps on this page are from the 1970s, giving you a focused view of this time period.
  • See what’s changed: Compare century-old streets, trails, and buildings to today's modern landscape using overlays and satellite layers.
  • Research with precision: Use these maps for genealogy, historical research, land use analysis, or educational projects.
  • View, download, or print: Maps are fully viewable online in high resolution, and can be downloaded or printed for your own records.

Start exploring San Joaquin County's history through authentic maps from the 1970s. This is your window into the past.

San Joaquin County, CA maps

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  1. 1978 Map of Terminous
    1978 Map of Terminous
    1978 Terminous
    1978 Print · USGS
    The San Joaquin Delta in the late seventies is a complex network of island tracts and deep-water shipping lanes. Genealogists and historians can trace local landmarks like the Venice King Sch, the settlement of Terminous, and the Paradise Point landing.
    2 unique versions available
  4. 1978 Map of Holt
    1978 Map of Holt
    1978 Holt
    1978 Print · USGS
    The San Joaquin Delta of the late seventies is a landscape of reclaimed tracts and busy waterways. Trace the rail-and-river economy through Holt, the McDonald Island Fy, and the path of the Mokelumne Aqueduct.
    3 unique versions available
  7. 1978 Map of Bouldin Island
    1978 Map of Bouldin Island
    1978 Bouldin Island
    1978 Print · USGS
    The California Delta was a labyrinth of waterways and reclaimed island tracts in the late 1970s. Trace the reach of the Deep Water Channel or locate specific points like Prisoners Point, the Venice Ferry, and Bethel Island.
    2 unique versions available
  10. 1978 Map of Clifton Court Forebay
    1978 Map of Clifton Court Forebay
    1978 Clifton Court Forebay
    1978 Print · USGS
    The Sacramento-San Joaquin River Delta landscape of the late seventies was defined by a massive intersection of industrial water infrastructure and rural farmland. Researchers can trace the routes of the California Aqueduct, the community at Mountain House, and the namesake Clifton Court Forebay.
    3 unique versions available
  13. 1978 Map of Isleton
    1978 Map of Isleton
    1978 Isleton
    1978 Print · USGS
    The Sacramento River delta's island-and-levee system is detailed here in the late seventies. Genealogists and researchers can trace local landmarks like Howard Landing Ferry, the historic town of Locke, and the Rio Vista Gas Field.
    3 unique versions available
  16. 1978 Map of Thornton
    1978 Map of Thornton
    1978 Thornton
    1978 Print · USGS
    The California Delta landscape of the late seventies shows a highly engineered world of tracts and sloughs at the border of Sacramento and San Joaquin counties. Trace local landmarks like New Hope Landing, Thornton, and the Southern Pacific rail line.
    2 unique versions available
  19. 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.
  22. 1978 Map of San Jose
    1978 Map of San Jose
    1978 San Jose
    1978 Print · USGS
    Santa Clara County and the East Bay hills are captured in the late seventies, showing the suburban sprawl of San Jose alongside the rural Central Valley. Trace the paths of the Southern Pacific railroad and find landmarks like New Almaden and Lick Observatory.
  25. 1978 Map of Woodward Island, 1979 Print
    1978 Map of Woodward Island, 1979 Print
    1978 Woodward Island
    1979 Print · USGS
    The California Delta in the late seventies is shown as a complex grid of reclaimed islands and sloughs. Trace the path of the Woodward Island Ferry and old rail stops like Orwood and Werner along the Mokelumne Aqueduct.
    2 unique versions available
End of results
Showing maps 1-9 of 9

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Frequently asked questions

  • What are the different types of historical maps available for San Joaquin County?
  • What is the oldest map of San Joaquin County?
  • Where can I purchase historical maps of San Joaquin County for my home or office?
  • Where can I download high-res historical maps of San Joaquin County?
  • Are there historical topographic maps available for San Joaquin County?
  • Is there historical aerial imagery available for San Joaquin County?
  • Where are historical maps of San Joaquin County sourced from?