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1900s (20th Century) Maps of Seneca, California

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

Seneca, CA maps

(9)
  1. 1955 Map of Almanor, 1957 Print
    1955 Map of Almanor, 1957 Print
    1955 Almanor
    1957 Print · USGS
    The high Sierra Nevada landscape is shaped by the massive reservoirs and mountain rail lines of the mid-fifties. Researchers can trace the Western Pacific route through the river canyons or locate mining history at the Dutch Hill Mine and Sunnyside Mine.
    4 unique versions available
  4. 1955 Map of Westwood, 1959 Print
    1955 Map of Westwood, 1959 Print
    1955 Westwood
    1959 Print · USGS
    In the mid-fifties, the northeastern California interior supported a landscape of mountain timber and high-desert basins. Genealogists and historians can locate early settlements and industrial sites like Susanville, Herlong, and the Sierra Ordinance Depot.
  7. 1958 Map of Westwood
    1958 Map of Westwood
    1958 Westwood
    1958 Print · USGS
    Northern California in the late fifties shows a landscape of volcanic peaks and rising reservoirs. Researchers can locate the Sierra Ordinance Depot and trace mountain infrastructure through the Hat Creek Ranger Station and Stacy Siding.
  10. 1959 Map of Westwood
    1959 Map of Westwood
    1959 Westwood
    1959 Print · USGS
    Northeastern California during the late 1950s was a hub of timber, military logistics, and mountain railroading. Researchers can trace the path of the Southern Pacific through the Honey Lake Valley and locate landmarks like the Sierra Ordinance Depot and Lassen Peak.
  13. 1962 Map of Susanville, 1965 Print
    1962 Map of Susanville, 1965 Print
    1962 Susanville
    1965 Print · USGS
    Northeastern California's high desert and volcanic peaks meet in the early sixties, showing the region's timber and rail hubs in transition. Local historians can trace the Southern Pacific lines through Susanville and Litchfield, or explore the sprawling Sierra Army Depot and Lassen Volcanic National Park.
    2 unique versions available
  16. 1968 Map of Susanville
    1968 Map of Susanville
    1968 Susanville
    1968 Print · USGS
    The high Sierras and the Great Basin collide in the late 1960s, showing a landscape of volcanic peaks, timber settlements, and desert plains. Genealogists and researchers can trace historic rail lines like the Western Pacific or locate residents in Susanville, Westwood, and Janesville.
  19. 1980 Map of Twain
    1980 Map of Twain
    1980 Twain
    1980 Print · USGS
    The Plumas County mountains in the late 1970s reveal a landscape shaped by gold mining and the railroad. Genealogists and historians can trace family-named sites like Perini Place, locate the Big Flat Cem, and explore the canyon rail sidings at Twain and Virgilia.
    2 unique versions available
  22. 1989 Map of Lake Almanor, 1990 Print
    1989 Map of Lake Almanor, 1990 Print
    1989 Lake Almanor
    1990 Print · USGS
    Upper Plumas and Tehama counties appear here in the late eighties as a landscape of timber, volcanic peaks, and high-country reservoirs. Genealogists and historians can trace settlements from Chester and Westwood to mountain outposts like Mineral and Jonesville.
    2 unique versions available
  25. 1994 Map of Twain, 1997 Print
    1994 Map of Twain, 1997 Print
    1994 Twain
    1997 Print · USGS
    The North Fork Feather River canyon comes into sharp focus during the 1990s, revealing a landscape defined by its mining and railroad history. Researchers can locate remote sites like Seneca, trace the Union Pacific line to Paxton Siding, and find the Big Flat Cem.
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Showing maps 1-9 of 9

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