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Old Maps of Omira, California for Academic Research

Study the evolution of Omira with 13 high-resolution historic maps. Whether you're teaching, researching, or modeling changes in land use, these maps provide essential visual documentation of urban, environmental, and geographic change.

  • Analyze long-term change: Track patterns in development, transportation, and natural features.
  • Ideal for environmental or urban studies: Support academic projects with primary historical map data.
  • Use in the classroom or lab: Educators and researchers rely on these maps to bring historical context to life.

These maps are a powerful tool for teaching, research, and visualizing how Omira has changed over the decades.

Omira, 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. 1977 Map of Constantia, 1978 Print
    1977 Map of Constantia, 1978 Print
    1977 Constantia
    1978 Print · USGS
    Lassen County at the Nevada border was a land of high peaks and rail corridors in the 1970s. Researchers can locate the mountain settlements of Constantia and Omira or trace the route of the Western Pacific Railroad past Zamboni Hot Springs.
    2 unique versions available
  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 Constantia, 1998 Print
    1994 Map of Constantia, 1998 Print
    1994 Constantia
    1998 Print · USGS
    Lassen and Plumas counties are captured here in the mid-nineties as the high-desert valleys meet the mountains. You can trace the rural landscape near Omira, locate Zamboni Hot Springs, and explore the terrain around Eagles Peak Ski Area.
    2 unique versions available
  28. 2012 Map of Constantia, 2012 Print
    2012 Map of Constantia, 2012 Print
    2012 Constantia
    2012 Print · USGS
    Covers Omira, including Lassen County, Plumas County, and other nearby areas
  31. 2015 Map of Constantia, 2015 Print
    2015 Map of Constantia, 2015 Print
    2015 Constantia
    2015 Print · USGS
    Covers Omira, including Lassen County, Plumas County, and other nearby areas
  34. 2018 Map of Constantia, 2018 Print
    2018 Map of Constantia, 2018 Print
    2018 Constantia
    2018 Print · USGS
    Covers Omira, including Lassen County, Plumas County, and other nearby areas
  37. 2021 Map of Constantia, 2021 Print
    2021 Map of Constantia, 2021 Print
    2021 Constantia
    2021 Print · USGS
    The high Sierras meet the Great Basin in this recent survey of the Lassen and Plumas county borderlands. Researchers can locate the mountain settlement of Omira and trace water routes from the Diamond Mountains to the Zamboni Hot Springs.
End of results
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