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Old Maps of Monrovia, California for Academic Research

Study the evolution of Monrovia with 45 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 Monrovia has changed over the decades.

Monrovia, CA maps

(45)
  1. 1894 Map of Los Angeles
    1894 Map of Los Angeles
    1894 Los Angeles
    1894 Print · USGS
    Los Angeles was a growing rail hub at the end of the nineteenth century, balancing its agricultural heritage with new mountain resorts. Researchers can trace early neighborhoods like Boyle Heights, find the National Soldiers Home, or follow the Mt. Lowe Hotel incline.
  4. 1894 Map of Pomona, 1960 Print
    1894 Map of Pomona, 1960 Print
    1894 Pomona
    1960 Print · USGS
    The eastern San Gabriel Valley is shown here in the 1890s, when the orchard economy and railroads were first reshaping the landscape. Genealogists and historians can trace early settlements and rail stops like Lordsburg, Alosta, and Rowland Siding.
  7. 1896 Map of Pasadena
    1896 Map of Pasadena
    1896 Pasadena
    1896 Print · USGS
    Greater Los Angeles was a network of rail-connected resort towns and historic missions in the late nineteenth century. You can trace early transit lines to the Raymond Hotel, locate the original Mission site, and find vanished stops like Las Casetas Sta.
    2 unique versions available
  10. 1897 Map of Pomona
    1897 Map of Pomona
    1897 Pomona
    1897 Print · USGS
    The San Gabriel Valley is captured here in the late nineteenth century as a patchwork of citrus-growing colonies and emerging rail towns. Genealogists and historians can trace early property lines and settlements like Lordsburg, Alosta, and Spadra along the Covina Branch line.
  13. 1898 Map of Pomona
    1898 Map of Pomona
    1898 Pomona
    1898 Print · USGS
    The San Gabriel Valley is captured here during its late nineteenth-century rail boom, before the suburban expansion of the Los Angeles basin. Genealogists can trace the early streets of Pomona, Lordsburg, and San Dimas along the busy Southern Pacific Railroad.
    2 unique versions available
  16. 1900 Map of Pasadena
    1900 Map of Pasadena
    1900 Pasadena
    1900 Print · USGS
    The San Gabriel Valley is captured here at a pivotal moment of expansion just as the rail networks reached the foothills. Researchers can trace the layout of early Pasadena and Monrovia, locate the Echo Mountain Mt. Lowe Hotel, or find the historic Mission and Raymond Hotel.
    10 unique versions available
  19. 1900 Map of Los Angeles
    1900 Map of Los Angeles
    1900 Los Angeles
    1900 Print · USGS
    Greater Los Angeles was a mosaic of expansive ranchos and emerging rail towns at the turn of the century. You can trace the early footprints of Hollywood, locate the historic Soldiers Home, and follow the mountain rails to the Echo Mountain Mt. Lowe Hotel.
    4 unique versions available
  22. 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
  25. 1904 Map of Pomona
    1904 Map of Pomona
    1904 Pomona
    1904 Print · USGS
    The eastern San Gabriel Valley is shown here at the turn of the century as a burgeoning network of citrus towns and vital rail lines. Genealogists can trace early homesteads and vanished stops such as Lordsburg, Alosta, and the Rowland Siding along the Southern Pacific RR.
    7 unique versions available
  28. 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
  31. 1925 Map of Azusa
    1925 Map of Azusa
    1925 Azusa
    1925 Print · USGS
    The San Gabriel Valley comes alive in the mid-twenties as rail lines and citrus-era street grids expand toward the Sierra Madre. Trace family roots and local history at the Jewish Sanitarium, Live Oak Cemetery, or the old Kincaid Siding.
  34. 1928 Map of Azusa
    1928 Map of Azusa
    1928 Azusa
    1928 Print · USGS
    The San Gabriel Valley in the mid-twenties shows a thriving network of rail lines and citrus towns beneath the mountain peaks. Trace early residential footprints in Monrovia and Azusa, and locate landmarks like the Jewish Sanitarium and Irwindale school.
    3 unique versions available
  37. 1928 Map of Sierra Madre
    1928 Map of Sierra Madre
    1928 Sierra Madre
    1928 Print · USGS
    The San Gabriel Valley foothills were rapidly expanding in the late twenties as orchard lands gave way to suburban tracts. Genealogists and researchers can trace early homesteads and rail lines like the Pacific Electric, the Temple School, and the historic Mission San Gabriel.
  40. 1933 Map of Sierra Madre
    1933 Map of Sierra Madre
    1933 Sierra Madre
    1933 Print · USGS
    The foothills of the San Gabriel Mountains come alive in the 1930s as residential growth meets the rugged canyons of the Angeles National Forest. Genealogists and hikers can trace early mountain retreats like Orchard Camp, Henninger Flats, and the First Water Resort.
  43. 1933 Map of Azusa
    1933 Map of Azusa
    1933 Azusa
    1933 Print · USGS
    The San Gabriel foothills during the early 1930s show a transition from steep wilderness to specialized health and youth camps. You can trace the footprint of the Canyon Tuberculosis Preventorium and the Spring Boy Scout Camp near Bradbury.
  46. 1939 Map of Azusa
    1939 Map of Azusa
    1939 Azusa
    1939 Print · USGS
    The foothills of the San Gabriel Mountains come alive in the late 1930s, showing the transition from citrus groves to early suburban development. Researchers can trace the extensive rail networks of the Pacific Electric Railway and find local landmarks like Liveoak Cemetery and the South Pasadena Veterans Camp.
    3 unique versions available
  49. 1941 Map of Sierra Madre
    1941 Map of Sierra Madre
    1941 Sierra Madre
    1941 Print · USGS
    The San Gabriel foothills and burgeoning valley floor are captured here just before the mid-century population explosion. Genealogists and local historians can trace the early layouts of Arcadia, Sierra Madre, and the historic Kinneloa Ranch near the Pacific Electric lines.
    2 unique versions available
  52. 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
  55. 1953 Map of San Bernardino
    1953 Map of San Bernardino
    1953 San Bernardino
    1953 Print · USGS
    Southern California underwent massive post-war growth as suburban sprawl reached the foothills of the San Bernardino Mountains. Genealogists and historians can trace the rail-and-road roots of the Inland Empire through the Union Pacific RR and Lake Arrowhead resorts.
    2 unique versions available
  58. 1953 Map of Azusa, 1955 Print
    1953 Map of Azusa, 1955 Print
    1953 Azusa
    1955 Print · USGS
    The foothills of the San Gabriel Mountains meet the expanding suburban grids of Monrovia and Azusa during the early fifties. Local historians can trace the paths of the Pacific Electric and AT&SF RR near landmarks like Liveoak Cemetery and Westminster Gardens.
    2 unique versions available
  61. 1953 Map of El Monte, 1955 Print
    1953 Map of El Monte, 1955 Print
    1953 El Monte
    1955 Print · USGS
    The San Gabriel Valley was undergoing a massive suburban transformation in the early fifties. Genealogists and local historians can trace the footprint of the San Gabriel Mission, the Pasadena-Rosemead Airport, and numerous Oil Wells before the valley's open lands were fully developed.
    2 unique versions available
  64. 1953 Map of Mt. Wilson, 1955 Print
    1953 Map of Mt. Wilson, 1955 Print
    1953 Mt. Wilson
    1955 Print · USGS
    The foothills of the San Gabriel Mountains meet the expanding suburbs of the San Gabriel Valley during the early fifties. Researchers can trace the path of the PE Electric RR, locate the Echo Mountain (Site), and find local landmarks like Kinneloa Ranch or the Mt Alverno Convent.
    3 unique versions available
  67. 1953 Map of Baldwin Park, 1955 Print
    1953 Map of Baldwin Park, 1955 Print
    1953 Baldwin Park
    1955 Print · USGS
    The San Gabriel Valley in the mid-fifties is captured here as orange groves and river washes give way to suburban sprawl. Researchers can trace the legacy of local schools and specialized facilities like St Johns School or the Sierra Lodge Sanitarium.
    2 unique versions available
  70. 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.
  73. 1956 Map of San Bernardino
    1956 Map of San Bernardino
    1956 San Bernardino
    1956 Print · USGS
    Southern California's Inland Empire and High Desert come into focus in the mid-fifties as agriculture gives way to suburban and military growth. Trace early rail lines like the Pacific Electric or find remote landmarks like Camp Rock Mine and George AFB.
Showing maps 1-25 of 45

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  • What are the different types of historical maps available for Monrovia?
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