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Old Maps of Chilao, California for Academic Research

Study the evolution of Chilao with 21 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 Chilao has changed over the decades.

Chilao, CA maps

(21)
  1. 1900 Map of Tujunga
    1900 Map of Tujunga
    1900 Tujunga
    1900 Print · USGS
    The San Gabriel mountains in the late nineteenth century reveal a landscape of deep canyons and mining outposts. Trace early rail travel through Acton or locate the remote Monte Cristo Mines and Hoyt Ranch within the San Gabriel Timber Land Reserve.
    7 unique versions available
  4. 1901 Map of Southern California Sheet No. 1
    1901 Map of Southern California Sheet No. 1
    1901 Southern California Sheet No. 1
    1901 Print · USGS
    Greater Los Angeles at the dawn of the twentieth century is a landscape of growing citrus towns and a burgeoning rail network. Genealogists and historians can trace the early gridded streets of Hollywood and Pasadena or locate landmarks like Bear Lake and the Cahuilla Indian Reservation.
    6 unique versions available
  7. 1904 Map of Southern California Sheet No. 1, 1905 Print
    1904 Map of Southern California Sheet No. 1, 1905 Print
    1904 Southern California Sheet No. 1
    1905 Print · USGS
    Southern California at the dawn of the twentieth century shows a landscape of citrus groves and coastal towns connected by rail. Genealogists and historians can trace early settlements like San Juan Capistrano, find remote sites like the Rose Mine, and study the original water systems of the Santa Ana River.
    2 unique versions available
  10. 1935 Map of Alder Creek
    1935 Map of Alder Creek
    1935 Alder Creek
    1935 Print · USGS
    The high peaks of Los Angeles County appear here in the mid-1930s, showing a backcountry landscape of early mining and forest service outposts. Researchers can locate remote sites like Loomis Ranch, the Monte Cristo Mine, and the Chilao R S.
  13. 1940 Map of Acton, 1955 Print
    1940 Map of Acton, 1955 Print
    1940 Acton
    1955 Print · USGS
    The high canyons of the San Gabriel Mountains are captured here during the 1940s, showing the early reach of water infrastructure and mining in the region. Genealogists and historians can trace the Southern Pacific rail line through Acton and Ravenna, or locate remote sites like the Monte Cristo Mine.
  16. 1941 Map of Alder Creek
    1941 Map of Alder Creek
    1941 Alder Creek
    1941 Print · USGS
    Deep in the San Gabriel Mountains during the mid-1930s, this survey reveals a landscape of high summits and early forest infrastructure. Researchers can locate the Monte Cristo Mine, Loomis Ranch, and the Chilao Guard Station as they appeared before the war.
    3 unique versions available
  19. 1944 Map of Tujunga
    1944 Map of Tujunga
    1944 Tujunga
    1944 Print · USGS
    The high canyons and desert fringes of the San Gabriel Mountains are captured here during the mid-forties. Genealogists and historians can trace the Southern Pacific rail line through Acton or locate the historic Monte Cristo Mines and the Tujunga Dam.
  22. 1949 Map of Los Angeles
    1949 Map of Los Angeles
    1949 Los Angeles
    1949 Print · USGS
    Southern California and the South Coast appear at the onset of the post-war boom, from the Channel Islands to the Mojave Desert. Trace early aviation sites like Lockheed Air Terminal and mining history at the Redrock Quicksilver Mine and Redrover Mine.
    2 unique versions available
  25. 1955 Map of Los Angeles
    1955 Map of Los Angeles
    1955 Los Angeles
    1955 Print · USGS
    The mid-century transformation of Southern California comes into focus as the urban sprawl of Los Angeles meets the wilderness of the Santa Monica Mountains. Researchers can trace the development of post-war suburbs alongside historic landmarks like the Santa Barbara Lighthouse and early industrial sites such as the Good Luck Mine.
  28. 1959 Map of Los Angeles
    1959 Map of Los Angeles
    1959 Los Angeles
    1959 Print · USGS
    Coastal California and the high desert met in a period of booming growth after the war. Researchers can trace early aviation and military history at the Point Mugu Air Missile Test Ctr or locate desert mining sites like the Double Eagle Mine.
    3 unique versions available
  31. 1959 Map of Chilao Flat, 1960 Print
    1959 Map of Chilao Flat, 1960 Print
    1959 Chilao Flat
    1960 Print · USGS
    High in the San Gabriel Mountains during the late fifties, this area shows a transition from mining history to forest recreation. Researchers can locate the Monte Cristo Mine, remote homesteads like Loomis Ranch, and landmarks like Red Box Station.
    7 unique versions available
  34. 1959 Map of Acton, 1961 Print
    1959 Map of Acton, 1961 Print
    1959 Acton
    1961 Print · USGS
    In the late fifties, the high country north of Los Angeles balanced a legacy of mining with a new era of forestry and recreation. Map researchers can trace mountain history through sites like the Monte Cristo Mine, Switzers Camp, and the Loomis Ranch.
    3 unique versions available
  37. 1966 Map of Los Angeles
    1966 Map of Los Angeles
    1966 Los Angeles
    1966 Print · USGS
    Southern California underwent a mid-century transformation as suburban grids reached the base of the San Gabriel Mountains. Researchers can trace the path of the Los Angeles Aqueduct or locate defense landmarks like Edwards Air Force Base.
  40. 1975 Map of Los Angeles, 1977 Print
    1975 Map of Los Angeles, 1977 Print
    1975 Los Angeles
    1977 Print · USGS
    Southern California is captured in a period of significant growth during the mid-seventies, showing the urban sprawl from the coast to the high desert. Researchers can trace the development of the Pacific Coast Hwy and find aerospace landmarks like Edwards Air Force Base and the Flight Test Center (NASA).
    2 unique versions available
  43. 1976 Map of Chilao Flat
    1976 Map of Chilao Flat
    1976 Chilao Flat
    1976 Print · USGS
    Covers Chilao, including Los Angeles County, United States, and other nearby areas
  46. 1979 Map of Los Angeles
    1979 Map of Los Angeles
    1979 Los Angeles
    1979 Print · USGS
    Southern California at the close of the 1970s reveals a sprawling network of suburban growth and massive infrastructure projects. Researchers can trace established rail lines like the Southern Pacific alongside newer settlements and landmarks like Virginia Colony and Griffith Park.
  49. 1995 Map of Chilao Flat, 1999 Print
    1995 Map of Chilao Flat, 1999 Print
    1995 Chilao Flat
    1999 Print · USGS
    The Angeles National Forest in the mid-nineties remains a remote haven for hikers and historians alike, where mining claims and high ranch outposts dot the San Gabriel peaks. Trace the old workings of the Monte Cristo Mine or follow the route of the Pacific Crest National Scenic Trail past Loomis Ranch.
  52. 2012 Map of Chilao Flat, 2012 Print
    2012 Map of Chilao Flat, 2012 Print
    2012 Chilao Flat
    2012 Print · USGS
    Covers Chilao, including Los Angeles County, United States, and other nearby areas
  55. 2015 Map of Chilao Flat, 2015 Print
    2015 Map of Chilao Flat, 2015 Print
    2015 Chilao Flat
    2015 Print · USGS
    Covers Chilao, including Los Angeles County, United States, and other nearby areas
  58. 2018 Map of Chilao Flat, 2018 Print
    2018 Map of Chilao Flat, 2018 Print
    2018 Chilao Flat
    2018 Print · USGS
    Covers Chilao, including Los Angeles County, United States, and other nearby areas
  61. 2021 Map of Chilao Flat, 2021 Print
    2021 Map of Chilao Flat, 2021 Print
    2021 Chilao Flat
    2021 Print · USGS
    The San Gabriel Mountains come into focus in this modern era, showing the intricate canyons and high-country flats of the Angeles National Forest. Researchers can trace forest access routes like Mount Wilson Red Box Rd to reach Chilao Flat and Red Box Gap.
End of results
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