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Old Maps of Union Hill, California

Explore 14 old maps of Union Hill, spanning from 1888 to today. These high-resolution historic maps reveal how streets, neighborhoods, landmarks, and natural features evolved over time — perfect for genealogy, metal detecting, research, and local history exploration.

What you can do with these maps:

  • See how Union Hill changed over time: Compare historical maps to modern-day views to trace roads, homesites, rail lines & more.
  • View detailed metadata: Each map includes creators, publishers, year, scale, and archive source.
  • Overlay maps with satellite & LiDAR: Visualize the past alongside modern tools to explore terrain & human change.
  • Trusted historical sources: Maps sourced from the USGS, Library of Congress, and other archives.
  • Access maps your way: View online, download high-res files, or order prints for personal or research use.

Start exploring old maps of Union Hill to uncover forgotten places, hidden landmarks, and the deep history beneath your feet.

Union Hill, CA maps

(14)
  1. 1888 Map of Smartsville
    1888 Map of Smartsville
    1888 Smartsville
    1888 Print · USGS
    Gold Country was in its industrial prime during the late eighteen-hundreds, with deep-shaft mines and hydraulic camps dotting the Sierra foothills. Researchers can trace early family holdings and mining claims through landmarks like French Corral, the North Star Mine, and the historic settlement of Timbuctoo.
  4. 1891 Map of Smartsville
    1891 Map of Smartsville
    1891 Smartsville
    1891 Print · USGS
    Gold Country in the late nineteenth century was a landscape of deep mines and timber rails. This survey allows researchers to trace the industrial footprint of the Idaho and North Star Mine alongside vanished camps like Condemned Bar and French Corral.
  7. 1892 Map of Smartsville
    1892 Map of Smartsville
    1892 Smartsville
    1892 Print · USGS
    The gold-bearing ridges of the Sierra foothills are captured here in the late nineteenth century, showing the height of the hard-rock mining boom. Researchers can trace the narrow-gauge rail lines and locate famous claims including the Empire Mine, Idaho Mine, and the Sulphuret Works.
  10. 1894 Map of Smartsville
    1894 Map of Smartsville
    1894 Smartsville
    1894 Print · USGS
    In the mid-1880s, the Sierra foothills around Nevada City and Grass Valley were a hive of mining and ranching activity. Genealogists and historians can trace old homesteads like Lanes Ranch, follow the Nevada Co Narrow Gauge RR, and locate forgotten camps like Rough & Ready.
  13. 1895 Map of Smartsville
    1895 Map of Smartsville
    1895 Smartsville
    1895 Print · USGS
    The Northern Mother Lode thrives during the peak of industrial quartz mining in the late nineteenth century. Researchers can trace the complex rail and mine networks of Nevada City and Grass Valley, alongside historic outposts like Smartsville and Rough & Ready.
    6 unique versions available
  16. 1949 Map of Grass Valley, 1953 Print
    1949 Map of Grass Valley, 1953 Print
    1949 Grass Valley
    1953 Print · USGS
    Gold mining operations dominate the landscape around the Sierra foothills just after the war. Local researchers can trace the extent of the Empire Mine, find remote outposts like Anthony House, or locate rural schools such as Limekiln Sch and Forest Springs Sch.
    5 unique versions available
  19. 1949 Map of Grass Valley, 1954 Print
    1949 Map of Grass Valley, 1954 Print
    1949 Grass Valley
    1954 Print · USGS
    Grass Valley stands at a postwar industrial peak, surrounded by legendary gold mines and expanding mountain neighborhoods. Genealogists and historians can locate family plots at Greenwood Mem Cem and trace old school districts like Forest Springs Sch.
    3 unique versions available
  22. 1950 Map of Grass Valley
    1950 Map of Grass Valley
    1950 Grass Valley
    1950 Print · USGS
    Mid-century Nevada County is seen here during a period when massive gold mining operations still defined the Sierra foothills landscape. Genealogists and historians can trace the workings of the Empire Mine, find family plots at Greenwood Mem Cem, or locate the old Forest Springs Sch.
  25. 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
  28. 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.
  31. 1993 Map of Yuba City, 1994 Print
    1993 Map of Yuba City, 1994 Print
    1993 Yuba City
    1994 Print · USGS
    The Sacramento Valley and Sierra Nevada foothills meet in the 1990s, where agricultural bypasses and river networks surround the iconic Sutter Buttes. Researchers can trace the rail corridors of the Southern Pacific and Western Pacific through hubs like Marysville and Gridley.
  34. 1995 Map of Grass Valley
    1995 Map of Grass Valley
    1995 Grass Valley
    1995 Print · USGS
    Grass Valley and Nevada City are shown here in the mid-1990s, when the region's deep mining heritage met modern residential growth. Genealogists and historians can trace industrial sites like Empire Mine alongside St Patricks Cem and Peardale.
    2 unique versions available
  37. 1998 Map of Grass Valley, 2002 Print
    1998 Map of Grass Valley, 2002 Print
    1998 Grass Valley
    2002 Print · USGS
    Grass Valley and Nevada City represent the heart of the Gold Country during the late 1990s as the region balanced mining history with modern growth. Researchers can locate family landmarks like the Idaho-Maryland Mine, St Patricks Cem, and Granite Hill.
  40. 2022 Map of Grass Valley, 2022 Print
    2022 Map of Grass Valley, 2022 Print
    2022 Grass Valley
    2022 Print · USGS
    The Gold Country twins of Grass Valley and Nevada City are captured here in the early twenty-first century. Family historians can locate several burial grounds like Greenwood Memorial Cem and trace old routes like the Old White Toll Rd.
End of results
Showing maps 1-14 of 14

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