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1900s (20th Century) Maps of Willow Valley, California

Explore 9 historic maps of Willow Valley 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 Willow Valley'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 Willow Valley's history through authentic maps from the 1900s. This is your window into the past.

Willow Valley, CA maps

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  1. 1900 Map of Colfax
    1900 Map of Colfax
    1900 Colfax
    1900 Print · USGS
    The Sierra Nevada foothills and high peaks are shown at the turn of the century as the mining economy and transcontinental rail travel reached their maturity. Researchers can trace historic industrial sites like the Alaska Mine, remote camps such as Moores Flat, and the path of the Southern Pacific RR.
  4. 1902 Map of Colfax
    1902 Map of Colfax
    1902 Colfax
    1902 Print · USGS
    Gold-rush towns and hydraulic mining sites define this portion of the Sierra Nevada at the turn of the century. Genealogists and historians can trace the foundations of North Bloomfield, locate the remote Alaska Mine, or follow the Southern Pacific through Emigrant Gap.
    7 unique versions available
  7. 1938 Map of Colfax
    1938 Map of Colfax
    1938 Colfax
    1938 Print · USGS
    The Sierra Nevada's gold and timber country comes into focus in the late 1930s, showing a landscape defined by deep river canyons and industrial high-country camps. Researchers can locate remote sites like the Sixteen to One Mine, the North Bloomfield Ranger Station, and vanished settlements like Lake City.
    3 unique versions available
  10. 1949 Map of North Bloomfield, 1957 Print
    1949 Map of North Bloomfield, 1957 Print
    1949 North Bloomfield
    1957 Print · USGS
    Nevada County at the close of the 1940s reveals a landscape defined by the legacies of hydraulic mining and the development of the high Sierra foothills. Researchers can trace the massive Malakoff Diggings, visit the Pioneer Grave, or locate the Blue Tent School.
    5 unique versions available
  13. 1950 Map of Alleghany, 1959 Print
    1950 Map of Alleghany, 1959 Print
    1950 Alleghany
    1959 Print · USGS
    The Sierra Nevada gold fields appear in high detail during the mid-fifties, showing the massive hydraulic scars and active mining camps of the Yuba River forks. Genealogists and historians can locate vanished settlements like Moores Flat or trace the extensive Malakoff Diggings and Alpha Diggings.
    4 unique versions available
  16. 1951 Map of North Bloomfield
    1951 Map of North Bloomfield
    1951 North Bloomfield
    1951 Print · USGS
    Nevada County’s gold country is revealed in the early fifties, showcasing the legacy of hydraulic mining and the engineering of the Sierras. Trace old family sites and mining relics at Malakoff Diggings, the Blue Tent School, and Kirkham Ranch.
  19. 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
  22. 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.
  25. 1977 Map of Truckee, 1978 Print
    1977 Map of Truckee, 1978 Print
    1977 Truckee
    1978 Print · USGS
    The High Sierra and Lake Tahoe regions come into focus in the late seventies, showing a landscape defined by massive reservoir projects and mountain transit. Genealogists and historians can trace the Southern Pacific rail line through Truckee or explore old mining districts near North Bloomfield and Colfax.
    2 unique versions available
End of results
Showing maps 1-9 of 9

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