Old Maps of Harlem, California for Metal Detecting

Plan your next treasure hunt with 14 historic maps of Harlem. 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 Harlem.


Harlem, CA maps

(14)
  1. 1915 Map of Soledad
    1915 Map of Soledad
    1915 Soledad
    1915 Print · USGS
    The Salinas Valley is captured in the early twentieth century as irrigation and the railroad transformed old land grants. Trace early settlements and rural schoolhouses like Fort Romie School and Paraiso Springs School alongside the Southern Pacific line.
    4 unique versions available

  2. 1940 Map of Soledad
    1940 Map of Soledad
    1940 Soledad
    1940 Print · USGS
    The Salinas Valley of the 1940s is shown here as a landscape of historic ranchos and rising agricultural industry. Genealogists and researchers can locate Mission Soledad (Ruins), the Camphora School, and family landmarks like the Olson Ranch.

  3. 1948 Map of Santa Cruz
    1948 Map of Santa Cruz
    1948 Santa Cruz
    1948 Print · USGS
    The Central Coast and San Joaquin Valley meet in this mid-century look at the region's agricultural and military geography. Genealogists and historians can trace the paths of El Camino Real, locate family farms near Hollister, or study the footprint of the Fort Ord Military Reservation.
    2 unique versions available

  4. 1955 Map of Santa Cruz
    1955 Map of Santa Cruz
    1955 Santa Cruz
    1955 Print · USGS
    Coastal Monterey Bay and the fertile Salinas Valley are captured here during the post-war expansion of the mid-fifties. Researchers can trace the era's rail-and-road network via the Southern Pacific lines and find landmarks like Fort Ord or the Lonoak School.

  5. 1955 Map of Soledad, 1957 Print
    1955 Map of Soledad, 1957 Print
    1955 Soledad
    1957 Print · USGS
    The Salinas River valley in the mid-1950s reveals a landscape of growing towns and institutional landmarks. Researchers can trace the layout of Soledad, locate the Mission Soledad, and explore local school sites like Mission Union School.
    4 unique versions available

  6. 1957 Map of Santa Cruz
    1957 Map of Santa Cruz
    1957 Santa Cruz
    1957 Print · USGS
    Central California comes into sharp focus during the late fifties, from the fog-swept Monterey Bay to the sun-drenched San Joaquin Valley. Genealogists and historians can trace the mid-century footprints of Fort Ord Military Reservation, the Southern Pacific line, and the historic streets of San Juan Bautista.

  7. 1958 Map of Santa Cruz
    1958 Map of Santa Cruz
    1958 Santa Cruz
    1958 Print · USGS
    Coastal California and the central valleys are shown during the mid-fifties, capturing a landscape of massive military reserves and vital rail arteries. Genealogists and historians can trace the Southern Pacific line through Salinas or explore the early footprints of the Fort Ord Military Reservation and San Juan Bautista.
    2 unique versions available

  8. 1965 Map of Santa Cruz, 1968 Print
    1965 Map of Santa Cruz, 1968 Print
    1965 Santa Cruz
    1968 Print · USGS
    The Central Coast and San Joaquin Valley meet here during the mid-sixties, capturing the growth of agricultural and coastal hubs. Trace the historic Southern Pacific RR lines and locate sites like the Presidio of Monterey or Pinnacles National Monument.

  9. 1974 Map of Monterey, 1977 Print
    1974 Map of Monterey, 1977 Print
    1974 Monterey
    1977 Print · USGS
    The Central Coast and San Joaquin Valley meet in this mid-seventies survey of the Monterey region. Genealogists and historians can locate Spanish-era sites like the San Antonio de Padua Mission, early industrial markers such as the New Idria Mine, and coastal landmarks like the Point Sur Lighthouse.

  10. 1982 Map of Point Sur, 1980 Print
    1982 Map of Point Sur, 1980 Print
    1982 Point Sur
    1980 Print · USGS
    Coastal mountains and fertile valleys meet in the early eighties as the Southern Pacific railroad links Monterey County's growing agricultural towns. Trace remote landmarks like Tassajara Hot Springs, the Soledad State Prison, and the sprawling Fort Hunter Liggett Military Reservation.
    3 unique versions available

  11. 2012 Map of Soledad, 2012 Print
    2012 Map of Soledad, 2012 Print
    2012 Soledad
    2012 Print · USGS
    Covers Harlem, including Soledad, Soledad, and other nearby areas

  12. 2015 Map of Soledad, 2015 Print
    2015 Map of Soledad, 2015 Print
    2015 Soledad
    2015 Print · USGS
    Covers Harlem, including Soledad, Soledad, and other nearby areas

  13. 2018 Map of Soledad, 2018 Print
    2018 Map of Soledad, 2018 Print
    2018 Soledad
    2018 Print · USGS
    Covers Harlem, including Soledad, Soledad, and other nearby areas

  14. 2021 Map of Soledad, 2021 Print
    2021 Map of Soledad, 2021 Print
    2021 Soledad
    2021 Print · USGS
    The Salinas River valley in the early 2020s shows a landscape shaped by high mountain ranges and deep canyons. Researchers can trace the town grid of Soledad, locate the Soledad Cem, and find historic sites like Fort Romie and Camphora.

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Showing maps 1-14 of 14

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