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1900s (20th Century) Maps of Byron, California

Explore 10 historic maps of Byron from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — 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 Byron's landscape evolved across the 1900s, 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 1900s, 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 Byron's history through authentic maps from the 1900s. This is your window into the past.

Byron, CA maps

(10)
  1. 1911 Map of Byron Hot Springs
    1911 Map of Byron Hot Springs
    1911 Byron Hot Springs
    1911 Print · USGS
    Contra Costa County at the beginning of the twentieth century shows a landscape transitioning from ranching to railroad-driven tourism. Historians can trace the footprint of the Byron Hot Springs resort and the early rail infrastructure serving Byron.
  4. 1916 Map of Byron Hot Springs
    1916 Map of Byron Hot Springs
    1916 Byron Hot Springs
    1916 Print · USGS
    Eastern Contra Costa County was a landscape of historic land grants and early rail travel in the years before the Great War. Researchers can trace the original Southern Pacific route serving Byron and the specialized resort grounds of Byron Hot Springs.
    2 unique versions available
  7. 1916 Map of Byron
    1916 Map of Byron
    1916 Byron
    1916 Print · USGS
    In the early twentieth century, the Contra Costa and San Joaquin borderlands were a landscape of reclaimed delta tracts and rising hill country. Researchers can trace early railroad alignments and rural life at Byron Hot Sprs, the Bethany Ferry, and the Vasco School.
    3 unique versions available
  10. 1940 Map of Byron, 1943 Print
    1940 Map of Byron, 1943 Print
    1940 Byron
    1943 Print · USGS
    The California Delta meets the coastal hills during the early 1940s, showing a transition from the orchards of Brentwood to the intricate waterways of the islands. Researchers can trace historic schools like Iron House Sch, rail stops at Knighten Sta, and the famous Byron Hot Springs.
  13. 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.
  16. 1953 Map of Byron Hot Springs, 1954 Print
    1953 Map of Byron Hot Springs, 1954 Print
    1953 Byron Hot Springs
    1954 Print · USGS
    The foothills of eastern Contra Costa County are shown in the early fifties as the region balanced ranching with early industrial development. Trace the local rail-and-water economy through the Southern Pacific line, the Irrigation Canal, and the iconic Byron Hot Springs site.
    5 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. 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
End of results
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