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Old Maps of Mount Bullion, California for Academic Research

Study the evolution of Mount Bullion with 16 high-resolution historic maps. Whether you're teaching, researching, or modeling changes in land use, these maps provide essential visual documentation of urban, environmental, and geographic change.

  • Analyze long-term change: Track patterns in development, transportation, and natural features.
  • Ideal for environmental or urban studies: Support academic projects with primary historical map data.
  • Use in the classroom or lab: Educators and researchers rely on these maps to bring historical context to life.

These maps are a powerful tool for teaching, research, and visualizing how Mount Bullion has changed over the decades.

Mount Bullion, CA maps

(16)
  1. 1893 Map of Sonora
    1893 Map of Sonora
    1893 Sonora
    1893 Print · USGS
    The Mother Lode region comes alive in the early 1890s, showing a landscape defined by mining camps and early river crossings before the big dams. Genealogists and historians can trace old settlements like Chinese Camp and Big Oak Flat, or locate industrial sites like the Olsen Mine and Hobron Mill.
  4. 1896 Map of Sonora
    1896 Map of Sonora
    1896 Sonora
    1896 Print · USGS
    The Mother Lode gold country is shown in the late nineteenth century as mining towns and river crossings defined the Sierra Nevada foothills. Genealogists and researchers can trace early routes through Chinese Camp and Coulterville, or locate industrial sites like the Red Cloud Mine and Benton Mill.
  7. 1897 Map of Sonora
    1897 Map of Sonora
    1897 Sonora
    1897 Print · USGS
    The Mother Lode region at the close of the nineteenth century is revealed here through its gold-country towns and rugged mining infrastructure. Trace the early footprints of Sonora, Coulterville, and Hornitos alongside sites like the Red Cloud Mine and Ward Ferry.
    8 unique versions available
  10. 1898 Map of Sonora, 1932 Print
    1898 Map of Sonora, 1932 Print
    1898 Sonora
    1932 Print · USGS
    The Mother Lode region at the close of the nineteenth century reveals a complex world of river dams and mining camps. Genealogists can trace family names at Chinese Camp or Soulsbyville and locate early industry at the Red Cloud Mine and Bandarita Mine.
  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. 1947 Map of Coulterville, 1953 Print
    1947 Map of Coulterville, 1953 Print
    1947 Coulterville
    1953 Print · USGS
    In the late 1940s, this portion of the Mother Lode still shows a landscape dense with gold mining and ranching activity. Researchers can trace the heritage of Coulterville and Hornitos or locate numerous historic workings like the Mary Harrison Mine and Red Cloud Mines.
    4 unique versions available
  19. 1947 Map of Bear Valley, 1968 Print
    1947 Map of Bear Valley, 1968 Print
    1947 Bear Valley
    1968 Print · USGS
    Mariposa County in the late 1940s reveals a landscape shaped by historical mining operations and the Merced River canyon. Local historians can trace family ties to Mt Bullion, locate the Bear Valley Sch, or map the many lodes including the Josephine Mine and Golden Key Mine.
    5 unique versions available
  22. 1948 Map of Bear Valley
    1948 Map of Bear Valley
    1948 Bear Valley
    1948 Print · USGS
    Mariposa County's gold-mining heartland is captured here in the late 1940s as the landscape transitioned from hard-rock mining to modern infrastructure. Genealogists and historians can trace family-named sites like Trabucco Gardens, Mt Ophir, and the Bear Valley Sch.
    2 unique versions available
  25. 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.
  28. 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
  31. 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).
  34. 1994 Map of Oakdale, 1995 Print
    1994 Map of Oakdale, 1995 Print
    1994 Oakdale
    1995 Print · USGS
    The San Joaquin Valley meets the Sierra foothills in the mid-1990s, where massive reservoirs and canal networks fueled California's agricultural heartland. Researchers can trace the Hetch Hetchy Aqueduct, find the Sierra RR, and locate the Riverbank Army Ammunition Plant.
    2 unique versions available
  37. 2012 Map of Bear Valley, 2012 Print
    2012 Map of Bear Valley, 2012 Print
    2012 Bear Valley
    2012 Print · USGS
    Covers Mount Bullion, including Bear Valley, Mariposa County, and other nearby areas
  40. 2015 Map of Bear Valley, 2015 Print
    2015 Map of Bear Valley, 2015 Print
    2015 Bear Valley
    2015 Print · USGS
    Covers Mount Bullion, including Bear Valley, Mariposa County, and other nearby areas
  43. 2018 Map of Bear Valley, 2018 Print
    2018 Map of Bear Valley, 2018 Print
    2018 Bear Valley
    2018 Print · USGS
    Covers Mount Bullion, including Bear Valley, Mariposa County, and other nearby areas
  46. 2021 Map of Bear Valley, 2021 Print
    2021 Map of Bear Valley, 2021 Print
    2021 Bear Valley
    2021 Print · USGS
    Mariposa County’s high country near Bear Valley is shown in detail during the early 2020s, highlighting the area’s rugged mining-era geography. Researchers can trace historic routes like the Old Toll Rd and locate local landmarks such as Bullion Mtn and the Bear Valley IOOF Cem.
End of results
Showing maps 1-16 of 16

Frequently asked questions

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