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Old Maps of Mount Helix, California for Academic Research

Study the evolution of Mount Helix with 17 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 Helix has changed over the decades.

Mount Helix, CA maps

(17)
  1. 1893 Map of El Cajon
    1893 Map of El Cajon
    1893 El Cajon
    1893 Print · USGS
    Eastern San Diego County was a landscape of ambitious water engineering and early rail expansion in the 1890s. Genealogists can trace the rural roots of El Cajon, Lakeside, and Santee while following the path of the San Diego Flume.
    2 unique versions available
  4. 1901 Map of Elcajon
    1901 Map of Elcajon
    1901 Elcajon
    1901 Print · USGS
    San Diego's eastern valleys are shown at the turn of the century as agriculture and water infrastructure began to reshape the landscape. Trace the path of the San Diego Flume and its tunnels or the rail line serving Foster, Lakeside, and Elcajon.
  7. 1903 Map of Cuyamaca
    1903 Map of Cuyamaca
    1903 Cuyamaca
    1903 Print · USGS
    Inland San Diego County at the turn of the century reveals a landscape defined by new water infrastructure and rail lines. Genealogists and historians can trace early settlements like Lakeside, Dulzura, and the remote Honey Springs Ranch along the international border.
    6 unique versions available
  10. 1903 Map of Elcajon
    1903 Map of Elcajon
    1903 Elcajon
    1903 Print · USGS
    San Diego's interior transitions from rail-linked valleys to high reservations at the turn of the century. Trace the path of the San Diego Flume and find vanished railroad stops like Foster and Moreno alongside the growing Elcajon Valley.
    5 unique versions available
  13. 1904 Map of Southern California Sheet No. 2
    1904 Map of Southern California Sheet No. 2
    1904 Southern California Sheet No. 2
    1904 Print · USGS
    Southern California during the early 1900s shows the transition from vast ranchos to coastal rail towns. Genealogists and researchers can trace the Southern California R.R. through Oceanside, explore old land grants like Mission Viejo, and locate early settlements from Fallbrook to Julian.
    5 unique versions available
  16. 1939 Map of El Cajon, 1955 Print
    1939 Map of El Cajon, 1955 Print
    1939 El Cajon
    1955 Print · USGS
    El Cajon and the San Diego River valleys appear in the late thirties as a network of citrus groves, cattle ranches, and tribal lands. Genealogists and researchers can trace the early footprints of Santee, the Edgemoor County Farm, and the Daly Mine.
    2 unique versions available
  19. 1942 Map of El Cajon
    1942 Map of El Cajon
    1942 El Cajon
    1942 Print · USGS
    Inland San Diego County unfolds in the early 1940s, showing a landscape of working ranches and river valleys before modern development. Genealogists and historians can trace family-named lands like Peale Ranch and early institutions such as Dehesa Sch and the Daky Mine.
  22. 1947 Map of El Cajon
    1947 Map of El Cajon
    1947 El Cajon
    1947 Print · USGS
    The San Diego River valley and its surrounding foothills appear in the late thirties, centered on the growing community of El Cajon. Genealogists and historians can trace family holdings like Fanita Ranch or locate the Indian Cem and Dehesa Sch in the southern hills.
  25. 1950 Map of San Diego, 1954 Print
    1950 Map of San Diego, 1954 Print
    1950 San Diego
    1954 Print · USGS
    Coastal San Diego and the Baja California border region come alive in this mid-century survey. Trace the early layout of National City and Chula Vista, or locate historic landmarks like the San Diego and Arizona Eastern RR and Fort Rosecrans.
  28. 1954 Map of San Diego
    1954 Map of San Diego
    1954 San Diego
    1954 Print · USGS
    San Diego and the northern reaches of Baja California are captured here during a decade of rapid post-war growth and military expansion. Researchers can trace the mid-century shoreline of Mission Beach, find established tribal lands like Capitan Grande Indian Reservation, and follow the border crossing into Tijuana.
  31. 1955 Map of San Diego
    1955 Map of San Diego
    1955 San Diego
    1955 Print · USGS
    Southern California underwent massive growth in the post-war years, as suburban development pushed into the canyons and foothills. Researchers can trace the mid-century infrastructure of Lindbergh Field, the Otay River, and numerous sites like Lemon Grove.
  34. 1955 Map of El Cajon, 1956 Print
    1955 Map of El Cajon, 1956 Print
    1955 El Cajon
    1956 Print · USGS
    El Cajon and the San Diego River valley are shown here in the mid-fifties, capturing a period of suburban growth among established ranches. Researchers can trace the San Diego and Arizona Eastern RR, locate the El Cajon Cemetery, or find long-standing landmarks like GILLESPIE FIELD.
    2 unique versions available
  37. 1958 Map of San Diego, 1961 Print
    1958 Map of San Diego, 1961 Print
    1958 San Diego
    1961 Print · USGS
    San Diego and its inland mountain ranges are captured here in the late fifties as coastal suburbs began to climb the mesas. Researchers can trace the mid-century footprint of Miramar Naval Air Station, the winding San Diego & Arizona Eastern Ry, and local landmarks like Cabrillo Nat Mon.
    4 unique versions available
  40. 1967 Map of El Cajon, 1969 Print
    1967 Map of El Cajon, 1969 Print
    1967 El Cajon
    1969 Print · USGS
    El Cajon and Santee are shown here during a period of rapid mid-century suburban expansion across the San Diego River valley. Researchers can trace the development of local landmarks like Gillespie Field, the El Cajon Cem, and Edgemoor Hospital.
    7 unique versions available
  43. 1979 Map of El Cajon
    1979 Map of El Cajon
    1979 El Cajon
    1979 Print · USGS
    Southern San Diego County and its mountain-to-desert transition are captured here in the late seventies. Researchers can trace the winding San Diego & Arizona Eastern RR, locate rural settlements like Jacumba, and explore the sprawling Cleveland National Forest.
    2 unique versions available
  46. 1996 Map of El Cajon, 2001 Print
    1996 Map of El Cajon, 2001 Print
    1996 El Cajon
    2001 Print · USGS
    The valleys of East County were well-established suburban hubs by the late nineties. Genealogists and local historians can trace family-named sites and landmarks like Edgemoor Hospital, Cajon Speedway, and Lindo Lake.
  49. 2021 Map of El Cajon, 2021 Print
    2021 Map of El Cajon, 2021 Print
    2021 El Cajon
    2021 Print · USGS
    The El Cajon Valley and its surrounding hills come into focus in the early 2020s, showing a densely settled landscape where suburban growth meet historic trail routes. Researchers can trace the heritage of Bostonia and Lakeside while locating the El Cajon Cem and Gillespie Field.
End of results
Showing maps 1-17 of 17

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Frequently asked questions

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