Old Maps of Porter Ranch, Los Angeles
Explore 17 old maps of Porter Ranch, spanning from 1903 to today. These high-resolution historic maps reveal how streets, neighborhoods, landmarks, and natural features evolved over time — perfect for genealogy, metal detecting, research, and local history exploration.
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- See how Porter Ranch changed over time: Compare historical maps to modern-day views to trace roads, homesites, rail lines & more.
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- Trusted historical sources: Maps sourced from the USGS, Library of Congress, and other archives.
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Start exploring old maps of Porter Ranch to uncover forgotten places, hidden landmarks, and the deep history beneath your feet.
Porter Ranch, Los Angeles maps
(17)- 1903 Map of Camulos
1903 Camulos1903 Print · USGSSouthern California at the dawn of the twentieth century shows a landscape of ranchos and early rail towns. Trace the old routes through Simi and Camulos, or locate vanished stops like Ternez Siding and the coastal piers at Port Los Angeles.5 unique versions available - 1903 Map of Santa Susana
1903 Santa Susana1903 Print · USGSNorthern Los Angeles and Ventura counties are captured here at the start of the twentieth century, as the railroad transformed the frontier. Trace early rail hubs at Newhall and Saugus, and find the engineering feats of the Santa Susana Tunnel and Fernando Tunnel.8 unique versions available - 1928 Map of Zelzah
1928 Zelzah1928 Print · USGSThe San Fernando Valley was transitioning from vast ranchos to specialized farming and suburban tracts in the late 1920s. Trace the early rail-connected settlements of Zelzah and Owensmouth alongside the unique Weeks Poultry Colony. - 1929 Map of Zelzah
1929 Zelzah1929 Print · USGSThe northern San Fernando Valley is shown here just before the era of major suburban density, when deep canyons still dominated the landscape. Genealogists and hikers can trace the early layout of Twin Lakes Park and the original path of Rinaldi Street. - 1932 Map of Zelzah
1932 Zelzah1932 Print · USGSThe San Fernando Valley is seen here during its agricultural peak in the early thirties, just as early poultry colonies were defining the local economy. Genealogists and historians can trace the foundations of Canoga Park and Reseda, alongside unique sites like the Runnymede Poultry Colony. - 1941 Map of Zelzah
1941 Zelzah1941 Print · USGSThe San Fernando Valley is seen here in a pivotal pre-war era of agricultural colonies and early suburban plats. Researchers can trace the layout of the Runnymede Poultry Colony, the transition at Zelzah Northridge PO and Sta, and legacy holdings like Marwyck Ranch.2 unique versions available - 1941 Map of Santa Susana, 1964 Print
1941 Santa Susana1964 Print · USGSVentura and Los Angeles counties meet in this 1940s landscape of steep canyons and early oil development. Researchers can trace the ranching history of Brandeis Ranch and Iverson Ranch or locate industrial sites like the Newhall-Potrero Oil Field.2 unique versions available - 1943 Map of Santa Susana
1943 Santa Susana1943 Print · USGSSouthern California ranching and oil industries intersect in the early 1940s along the Santa Susana Mountains. Trace historic boundaries and sites like Tapo Ranch, the Newhall-Potrero Oil Field, and the Southern Pacific rail line. - 1949 Map of Los Angeles
1949 Los Angeles1949 Print · USGSSouthern 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 - 1952 Map of Oat Mountain, 1953 Print
1952 Oat Mountain1953 Print · USGSThe northwest San Fernando Valley met the rugged Santa Susana range in the early fifties, just as citrus groves gave way to suburban tracts. Researchers can trace the legendary Iverson Ranch film location, the historic Southern Pacific rail tunnel, and the Oakwood Cem grounds.8 unique versions available - 1955 Map of Los Angeles
1955 Los Angeles1955 Print · USGSThe 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. - 1959 Map of Los Angeles
1959 Los Angeles1959 Print · USGSCoastal 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 - 1966 Map of Los Angeles
1966 Los Angeles1966 Print · USGSSouthern 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. - 1975 Map of Los Angeles, 1977 Print
1975 Los Angeles1977 Print · USGSSouthern 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 - 1976 Map of Oat Mountain, 1980 Print
1976 Oat Mountain1980 Print · USGSThe San Fernando Valley meets the Santa Susana Mountains in the mid-seventies, showing the precise suburban edge of Granada Hills. Trace the undeveloped ridgelines around Oat Mountain and the early layout of Newhall to the north. - 1979 Map of Los Angeles
1979 Los Angeles1979 Print · USGSSouthern 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. - 2022 Map of Oat Mountain, 2022 Print
2022 Oat Mountain2022 Print · USGSNorthern Los Angeles and the Santa Susana Mountains are captured here in 2022 during a period of continued suburban expansion. Researchers can trace infrastructure and landmarks from the Los Angeles Aqueduct to the distinctive Stony Point and Garden of the Gods.
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