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Old Maps of Plumas, California for Metal Detecting

Plan your next treasure hunt with 13 historic maps of Plumas. 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 Plumas.

Plumas, CA maps

(13)
  1. 1890 Map of Sierraville, 1955 Print
    1890 Map of Sierraville, 1955 Print
    1890 Sierraville
    1955 Print · USGS
    The high Sierra Valley and its frontier timber towns are captured here in the late 1800s. Genealogists and historians can trace early rail lines like the Nevada California and Oregon Railway and locate vanished stops and landmarks such as Etta, Purdy, and the Sulphur Spring.
  4. 1892 Map of Sierraville
    1892 Map of Sierraville
    1892 Sierraville
    1892 Print · USGS
    Sierraville and the high meadows of the eastern Sierras are shown here in the early 1890s, just as the regional rail network was expanding. Genealogists can trace early homesteads and communities like Loyalton, Sattley, and Beckwith, or follow the California Nevada and Oregon Railway as it winds toward the state line.
  7. 1894 Map of Sierraville
    1894 Map of Sierraville
    1894 Sierraville
    1894 Print · USGS
    The high Sierra and Plumas county borderlands are shown in the late nineteenth century as early settlements began to take root in the basin. Researchers can trace the path of the California Nevada and Oregon Railway and locate historic sites like Sierraville, the Fair Grounds, and Loyalton.
    9 unique versions available
  10. 1950 Map of Chilcoot, 1952 Print
    1950 Map of Chilcoot, 1952 Print
    1950 Chilcoot
    1952 Print · USGS
    The high Sierra gateway at Beckwourth Pass is documented here at mid-century as the railroad and highway networks expanded. Researchers can trace the routes of the Western Pacific and locate local landmarks like Summit Sch and Hallelujah Junction.
    5 unique versions available
  13. 1958 Map of Chico, 1962 Print
    1958 Map of Chico, 1962 Print
    1958 Chico
    1962 Print · USGS
    Mid-century Northern California comes to life across the Central Valley and high Sierras as the postwar economy transformed the landscape. Trace the rail lines of the Southern Pacific RR, locate family roots near Chico Cem, or explore the early layout of Paradise and Beale Air Force Base.
    4 unique versions available
  16. 1960 Map of Chico
    1960 Map of Chico
    1960 Chico
    1960 Print · USGS
    The Northern California high country and Sacramento Valley meet in this 1960s-era landscape of mining towns and river settlements. Trace the rail-and-water economy of the gold country through the Empire Mine, Beale Air Force Base, and the Western Pacific Railroad.
  19. 1975 Map of Beckwourth Pass, 1977 Print
    1975 Map of Beckwourth Pass, 1977 Print
    1975 Beckwourth Pass
    1977 Print · USGS
    Upper Long Valley in the mid-seventies is a high Sierra corridor shaped by rail lines and ranching trails. Researchers can trace the Western Pacific Railroad through the Beckwourth Pass Tunnel and locate the historic Summit (Site).
  22. 1979 Map of Portola, 1993 Print
    1979 Map of Portola, 1993 Print
    1979 Portola
    1993 Print · USGS
    The northern Sierra Nevada and its timber-and-rail economy are captured here during the late seventies, spanning from the Feather River canyons to the high basins. Researchers can trace the path of the Western Pacific RR and locate historic hubs like Quincy, Portola, and Loyalton.
    2 unique versions available
  25. 1994 Map of Beckwourth Pass, 1998 Print
    1994 Map of Beckwourth Pass, 1998 Print
    1994 Beckwourth Pass
    1998 Print · USGS
    The Sierra Nevada meets the Great Basin during the mid-nineties, revealing the low-elevation transit corridor through Beckwourth Pass. Trace the intersection of the Chilcoot Tunnel and the historic Long Valley Mill.
    2 unique versions available
  28. 2012 Map of Beckwourth Pass, 2012 Print
    2012 Map of Beckwourth Pass, 2012 Print
    2012 Beckwourth Pass
    2012 Print · USGS
    Covers Plumas, including Scotts, Hallelujah Junction, and other nearby areas
  31. 2015 Map of Beckwourth Pass, 2015 Print
    2015 Map of Beckwourth Pass, 2015 Print
    2015 Beckwourth Pass
    2015 Print · USGS
    Covers Plumas, including Scotts, Hallelujah Junction, and other nearby areas
  34. 2018 Map of Beckwourth Pass, 2018 Print
    2018 Map of Beckwourth Pass, 2018 Print
    2018 Beckwourth Pass
    2018 Print · USGS
    Covers Plumas, including Scotts, Hallelujah Junction, and other nearby areas
  37. 2021 Map of Beckwourth Pass, 2021 Print
    2021 Map of Beckwourth Pass, 2021 Print
    2021 Beckwourth Pass
    2021 Print · USGS
    The high Sierra-Great Basin transition comes into focus in this recent study of the California-Nevada borderlands. Trace the local geography of the historic transit corridor through Beckwourth Pass, Hallelujah Junction, and the seasonal waters of Snow Lake.
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Showing maps 1-13 of 13

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