Old Maps of Rochester, Rancho Cucamonga for Metal Detecting
Plan your next treasure hunt with 17 historic maps of Rochester. Find old homesites, ghost towns, trails, and gathering spots that may be lost to time — perfect for identifying promising metal detecting locations.
- Locate forgotten sites: Uncover places like long-lost settlements, abandoned rail lines, or gathering spots.
- Plan better hunts: Use map overlays combined with LiDAR or satellite views to narrow in on historically rich areas.
- Made for detectorists: Thousands of hobbyists use these maps to discover relics, coins, and hidden history.
Use these historic maps to boost your research and find new opportunities beneath the surface of Rochester.
Rochester, Rancho Cucamonga maps
(17)- 1897 Map of Cucamonga1897 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 Cucamonga1900 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. 11901 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 Cucamonga1903 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 Print1904 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
- 1944 Map of Cucamonga1944 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 Bernardino1953 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
- 1953 Map of Guasti, 1955 Print1953 Guasti1955 Print · USGSSan Bernardino and Riverside Counties are shown here during the post-war industrial boom, where vineyards and heavy industry collide. Genealogists and historians can trace the development of Cucamonga and Guasti alongside the Kaiser Steel Plant.2 unique versions available
- 1954 Map of Ontario, 1959 Print1954 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 Bernardino1956 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 Bernardino1957 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 Print1958 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 Bernardino1959 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 Bernardino1966 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.
- 1966 Map of Guasti, 1969 Print1966 Guasti1969 Print · USGSThe Inland Empire is shown at a pivotal moment of industrial and suburban growth in the mid-1960s. Genealogists and researchers can locate family-named landmarks like the John Rains House, the historic Guasti settlement, and local centers like Mission Bell Ch.4 unique versions available
- 1982 Map of San Bernardino, 1983 Print1982 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.
- 2021 Map of Guasti, 2021 Print2021 Guasti2021 Print · USGSThe Inland Empire's transition from agricultural roots to a global logistics hub is on full display here. Trace the complex transport network surrounding Ontario International Airport, the historic Pacific Electric Ry line, and the community of Guasti.
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