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1900s (20th Century) Maps of The Arnold Ranch, California

Explore 11 historic maps of The Arnold Ranch 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 The Arnold Ranch'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 The Arnold Ranch's history through authentic maps from the 1900s. This is your window into the past.

The Arnold Ranch, CA maps

(11)
  1. 1942 Map of Mt. Hamilton
    1942 Map of Mt. Hamilton
    1942 Mt. Hamilton
    1942 Print · USGS
    The Diablo Range heights above San Jose appear here in the early 1940s, centered on the high scientific outpost at Lick Observatory. Researchers can trace old mountain roads and family-held land grants such as the Grant Ranch and Evergreen Ranch.
  4. 1943 Map of Mt. Hamilton
    1943 Map of Mt. Hamilton
    1943 Mt. Hamilton
    1943 Print · USGS
    Santa Clara County during the early forties was a land of high-altitude science and isolated ranching outposts. Researchers can trace the winding route to Lick Observatory or locate family landmarks like the Fisher Homestead and Evergreen Ranch.
  7. 1947 Map of Mt. Hamilton
    1947 Map of Mt. Hamilton
    1947 Mt. Hamilton
    1947 Print · USGS
    The Diablo Range rises east of San Jose in the late 1940s, centered on the heights of the Lick Observatory. Genealogists and local historians can trace legacy landholdings such as Evergreen Ranch, Rancho Arroyo Bayo, and the Fisher Homestead.
  10. 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.
  13. 1955 Map of Isabel Valley, 1957 Print
    1955 Map of Isabel Valley, 1957 Print
    1955 Isabel Valley
    1957 Print · USGS
    The Diablo Range east of San Jose is shown here in the mid-fifties, dominated by high ridges and the scientific outpost at Lick Observatory. Researchers can trace old mountain access routes through Isabel Valley to remote spots like Indian Springs and Grizzly Flats.
    3 unique versions available
  16. 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.
  19. 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
  22. 1963 Map of Mt. Hamilton
    1963 Map of Mt. Hamilton
    1963 Mt. Hamilton
    1963 Print · USGS
    The Diablo Range heights of Santa Clara County are captured here just after the war, showing the mountain ranching life and scientific outposts. Genealogists and local historians can trace family lands like Patton Ranch, the Halls Valley Sch, and the high-altitude Lick Observatory.
  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. 1967 Map of Mt. Hamilton
    1967 Map of Mt. Hamilton
    1967 Mt. Hamilton
    1967 Print · USGS
    Santa Clara County’s eastern ridges are captured here in the mid-1960s, centered on the high-altitude research outpost at Lick Observatory. Researchers can trace old family holdings and remote landmarks like Grant Ranch, Evergreen Ranch, and Copernicus Pk.
  31. 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.
End of results
Showing maps 1-11 of 11

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Frequently asked questions

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