Old Maps of Plumas Eureka, California for Metal Detecting

Plan your next treasure hunt with 14 historic maps of Plumas Eureka. 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 Eureka.


Plumas Eureka, CA maps

(14)
  1. 1891 Map of Downieville
    1891 Map of Downieville
    1891 Downieville
    1891 Print · USGS
    The gold-bearing ridges of the Northern Sierra come alive in the 1890s, when mining camps and high-country ranches defined the local economy. Researchers can trace the Sierra Turnpike and locate historic claims like the Empire Mine or the settlement of Whiskey Diggings.

  2. 1893 Map of Downieville
    1893 Map of Downieville
    1893 Downieville
    1893 Print · USGS
    The northern Sierra Nevada's gold country is revealed here during its late nineteenth-century mining peak. Researchers can trace historic claims and family outposts from Whiskey Diggings and Poker Flat to the Plumas Eureka mine.

  3. 1895 Map of Downieville
    1895 Map of Downieville
    1895 Downieville
    1895 Print · USGS
    The high Sierra mining districts of the 1890s are captured here during a peak era of resource extraction. Researchers can trace historic gold camps and industrial sites like Whiskey Diggings, the Plumas Eureka mine, and Poker Flat.

  4. 1896 Map of Downieville
    1896 Map of Downieville
    1896 Downieville
    1896 Print · USGS
    The northern Sierra Nevada comes alive in this 1890s survey of the Feather and Yuba River watersheds. Genealogists and historians can trace gold-rush era settlements from Quincy to Downieville, locating historic sites like Whiskey Diggings and the Empire Mine.

  5. 1897 Map of Downieville
    1897 Map of Downieville
    1897 Downieville
    1897 Print · USGS
    The northern Sierra Nevada's rugged gold country comes to life in the late nineteenth century, showing the dense network of camps and mines around Downieville. Researchers can trace the exact locations of historic operations like the Young America Mine and long-standing settlements like Howland Flat and Quincy.
    7 unique versions available

  6. 1937 Map of Blairsden
    1937 Map of Blairsden
    1937 Blairsden
    1937 Print · USGS
    Plumas County mining and timber operations are captured in detail during the late 1930s. Researchers can trace the industrial Aerial Tramway routes and locate remote mountain camps like Nye Meadows and Midway House.

  7. 1943 Map of Blairsden
    1943 Map of Blairsden
    1943 Blairsden
    1943 Print · USGS
    The High Sierra timber and mining districts are in full operation during the late 1930s as rail lines penetrate the mountain canyons. Genealogists and historians can trace industrial sites like Walkermine and the Plumas Eureka Mine or early lodges like Camp Wieland Feather River Lodge.
    3 unique versions available

  8. 1956 Map of Blairsden, 1957 Print
    1956 Map of Blairsden, 1957 Print
    1956 Blairsden
    1957 Print · USGS
    In the mid-fifties, the Plumas County mountains were a working landscape of timber mills and mining camps. Trace the Western Pacific rail line through Sloat or locate mountain landmarks like Walkermine (Site) and Johnsville.
    4 unique versions available

  9. 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

  10. 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.

  11. 1972 Map of Johnsville, 1974 Print
    1972 Map of Johnsville, 1974 Print
    1972 Johnsville
    1974 Print · USGS
    The Sierra Nevada mining and timber heartland of Plumas County is captured here in the early seventies as the railroad era met modern recreation. Researchers can trace the industrial legacy of Johnsville through the Mammoth Mill (Ruins) and the Squirrel Creek Mine.

  12. 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

  13. 1994 Map of Johnsville, 1998 Print
    1994 Map of Johnsville, 1998 Print
    1994 Johnsville
    1998 Print · USGS
    High in the Sierras during the mid-nineties, this survey captures the legacy of the Gold Rush in Plumas Eureka State Park. Trace family roots and mining history at the Eureka Mill (Ruins), Cromberg Cem, and the old town of Johnsville.

  14. 2021 Map of Johnsville, 2021 Print
    2021 Map of Johnsville, 2021 Print
    2021 Johnsville
    2021 Print · USGS
    The northern Sierra Nevada highlands come into sharp focus in this recent survey of the Mohawk Valley and surrounding peaks. Genealogists and local historians can trace family ties at the Johnsville Cem and Mohawk Cem or explore the historic layout of Sloat and Graeagle.

End of results
Showing maps 1-14 of 14

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