Old Maps of Mount Baldy, California for Academic Research
Study the evolution of Mount Baldy with 20 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 Mount Baldy has changed over the decades.
Mount Baldy, CA maps
(20)- 1897 Map of Cucamonga
1897 Cucamonga1897 Print · USGSIn the late nineteenth century, the Inland Empire was a rapidly emerging rail and citrus hub defined by major land grants. Genealogists and researchers can trace the early footprints of Cucamonga, Ontario, and Pomona alongside the Narrow Gauge and Southern Pacific lines. - 1900 Map of Cucamonga
1900 Cucamonga1900 Print · USGSSan 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. - 1901 Map of Southern California Sheet No. 1
1901 Southern California Sheet No. 11901 Print · USGSGreater 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 - 1903 Map of Cucamonga
1903 Cucamonga1903 Print · USGSThe 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 - 1904 Map of Southern California Sheet No. 1, 1905 Print
1904 Southern California Sheet No. 11905 Print · USGSSouthern 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 - 1934 Map of Camp Baldy
1934 Camp Baldy1934 Print · USGSThe 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. - 1940 Map of Camp Baldy
1940 Camp Baldy1940 Print · USGSMount 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 - 1944 Map of Cucamonga
1944 Cucamonga1944 Print · USGSThe 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. - 1953 Map of San Bernardino
1953 San Bernardino1953 Print · USGSSouthern 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 - 1954 Map of Mt. Baldy, 1955 Print
1954 Mt. Baldy1955 Print · USGSThe 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 - 1954 Map of Ontario, 1959 Print
1954 Ontario1959 Print · USGSThe 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 - 1956 Map of San Bernardino
1956 San Bernardino1956 Print · USGSSouthern 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. - 1957 Map of San Bernardino
1957 San Bernardino1957 Print · USGSSouthern 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. - 1958 Map of San Bernardino, 1975 Print
1958 San Bernardino1975 Print · USGSSouthern 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. - 1959 Map of San Bernardino
1959 San Bernardino1959 Print · USGSSouthern 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. - 1966 Map of San Bernardino
1966 San Bernardino1966 Print · USGSThe 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. - 1967 Map of Mt. Baldy, 1968 Print
1967 Mt. Baldy1968 Print · USGSThe 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 - 1982 Map of San Bernardino, 1983 Print
1982 San Bernardino1983 Print · USGSThe 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. - 1995 Map of Mount Baldy, 1999 Print
1995 Mount Baldy1999 Print · USGSThe 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. - 2021 Map of Mount Baldy, 2021 Print
2021 Mount Baldy2021 Print · USGSThe foothill communities of the Inland Empire and San Gabriel Valley meet the high peaks of the Angeles National Forest in this modern survey. Map collectors can trace the interface of suburban growth and steep mountain terrain near Potato Mtn, Frankish Peak, and Mount Baldy.
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