1900s (20th Century) Maps of Mount Baldy, California

1. 1900 Map of Cucamonga

   

   1900 Cucamonga

   1900 Print · USGS

   San Bernardino and Los Angeles Counties are shown here during the late nineteenth-century citrus boom, before urban sprawl merged these distinct agricultural colonies. Trace early rail lines through Ioamosa, Claremont, and Chino, or locate the isolated Toll House and Power House in the northern canyons.

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4. 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

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7. 1903 Map of Cucamonga

   

   1903 Cucamonga

   1903 Print · USGS

   The Inland Empire is shown at a pivotal moment of agricultural expansion in the early twentieth century, when irrigation was transforming the valley. Trace the early rail networks of the Southern Pacific and the Santa Fe through citrus-growing centers like Ontario, Cucamonga, and Ioamosa.

   11 unique versions available

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10. 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

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13. 1934 Map of Camp Baldy

    

    1934 Camp Baldy

    1934 Print · USGS

    The San Gabriel Mountains in the mid-1930s were a hub of alpine recreation and mining activity. Local historians can trace early mountain infrastructure through the Old Baldy Lookout, Gold Dollar Mine, and the settlement at Camp Baldy.

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16. 1940 Map of Camp Baldy

    

    1940 Camp Baldy

    1940 Print · USGS

    Mount Baldy’s early high-altitude culture and canyon mining are frozen in time just before the mid-century. Researchers can trace the paths to the Gold Dollar Mine, locate the Camp Baldy Guard Station, and see the early route of Baldy Road.

    3 unique versions available

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19. 1944 Map of Cucamonga

    

    1944 Cucamonga

    1944 Print · USGS

    The San Gabriel Valley and Inland Empire are shown here during the mid-forties, capturing the peak of the region's citrus era and rail-based transit. Researchers can trace early campus layouts at Pomona College or locate vanished landmarks like the Monta Vista Resort and Padua Hills Theater.

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22. 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

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25. 1954 Map of Mt. Baldy, 1955 Print

    

    1954 Mt. Baldy

    1955 Print · USGS

    The foothills of the San Gabriel Mountains meet the San Bernardino County line in the mid-fifties, just as suburban growth pushed toward the canyon mouths. Researchers can trace local landmarks like San Antonio Heights, the Padua Hills Theater, and the infrastructure of the San Antonio Dam.

    2 unique versions available

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28. 1954 Map of Ontario, 1959 Print

    

    1954 Ontario

    1959 Print · USGS

    The Pomona Valley in the mid-fifties is captured here as a sprawling network of citrus-era settlements and rising post-war industry. Genealogists and local researchers can trace the early footprints of the Claremont Associated Colleges, the Steel Plant, and Ontario International Airport.

    5 unique versions available

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31. 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.

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34. 1957 Map of San Bernardino

    

    1957 San Bernardino

    1957 Print · USGS

    Southern California's Inland Empire and High Desert met during the postwar expansion of the late fifties. Genealogists and historians can trace the growth of San Bernardino and Redlands alongside remote landmarks like Edwards AFB and the Camp Rock Mine.

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37. 1958 Map of San Bernardino, 1975 Print

    

    1958 San Bernardino

    1975 Print · USGS

    Southern California’s Inland Empire and High Desert come into focus during the mid-century boom, showing the rise of suburbs and massive military installations. Researchers can trace the rail networks of the Union Pacific RR or locate landmarks like Norton AFB and Big Bear Lake.

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40. 1959 Map of San Bernardino

    

    1959 San Bernardino

    1959 Print · USGS

    Southern California underwent a massive transformation in the late fifties as suburban growth and military power reshaped the desert and valley. Researchers can trace the legacy of the Union Pacific Railroad and locate early footprints of Joshua Tree National Monument and Edwards Air Force Base.

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43. 1966 Map of San Bernardino

    

    1966 San Bernardino

    1966 Print · USGS

    The San Bernardino Valley and Mojave Desert met during a period of massive military and suburban growth in the mid-sixties. Genealogists and historians can trace the development of Edwards Air Force Base, old desert mines like the Bagdad Chase Mine, and mountain communities near Big Bear Lake.

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46. 1967 Map of Mt. Baldy, 1968 Print

    

    1967 Mt. Baldy

    1968 Print · USGS

    The foothills and high peaks of the San Gabriel Mountains meet the expanding orange groves and suburbs of the San Bernardino Valley in the late sixties. Researchers can trace the development of Claremont and Upland alongside mountain landmarks like the Padua Hills Theater, San Antonio Dam, and Mt Baldy.

    5 unique versions available

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49. 1982 Map of San Bernardino, 1983 Print

    

    1982 San Bernardino

    1983 Print · USGS

    The Inland Empire and San Gabriel Valley met at a peak of suburban and industrial expansion in the early eighties. Researchers can trace the massive rail infrastructure through Cajon Pass and locate landmarks like Norton Air Force Base or the Fontana International Raceway.

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52. 1995 Map of Mount Baldy, 1999 Print

    

    1995 Mount Baldy

    1999 Print · USGS

    The eastern edge of Los Angeles County meets the San Bernardino line in the mid-nineties, showing the interface of foothill suburbs and forest. Trace local landmarks like the Padua Hills Theater and Webb Sch, or explore the complex watershed around San Antonio Dam.

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