Old Maps of San Geronimo, California for Metal Detecting

Plan your next treasure hunt with 10 historic maps of San Geronimo. 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 San Geronimo.


San Geronimo, CA maps

(10)
  1. 1914 Map of Petaluma
    1914 Map of Petaluma
    1914 Petaluma
    1914 Print · USGS
    Covers San Geronimo, including Petaluma, San Rafael, and other nearby areas
    5 unique versions available

  2. 1942 Map of Petaluma
    1942 Map of Petaluma
    1942 Petaluma
    1942 Print · USGS
    Covers San Geronimo, including Petaluma, San Rafael, and other nearby areas

  3. 1947 Map of Santa Rosa
    1947 Map of Santa Rosa
    1947 Santa Rosa
    1947 Print · USGS
    Covers San Geronimo, including Santa Rosa, Concord, and other nearby areas

  4. 1949 Map of Santa Rosa
    1949 Map of Santa Rosa
    1949 Santa Rosa
    1949 Print · USGS
    Covers San Geronimo, including Santa Rosa, Concord, and other nearby areas
    2 unique versions available

  5. 1954 Map of San Geronimo, 1955 Print
    1954 Map of San Geronimo, 1955 Print
    1954 San Geronimo
    1955 Print · USGS
    Covers San Geronimo, including Forest Knolls, Lagunitas, and other nearby areas
    5 unique versions available

  6. 1954 Map of Petaluma, 1959 Print
    1954 Map of Petaluma, 1959 Print
    1954 Petaluma
    1959 Print · USGS
    Covers San Geronimo, including Petaluma, San Rafael, and other nearby areas
    3 unique versions available

  7. 1958 Map of Santa Rosa, 1968 Print
    1958 Map of Santa Rosa, 1968 Print
    1958 Santa Rosa
    1968 Print · USGS
    Covers San Geronimo, including Santa Rosa, Concord, and other nearby areas
    3 unique versions available

  8. 1962 Map of Santa Rosa
    1962 Map of Santa Rosa
    1962 Santa Rosa
    1962 Print · USGS
    Covers San Geronimo, including Santa Rosa, Concord, and other nearby areas

  9. 1964 Map of Santa Rosa
    1964 Map of Santa Rosa
    1964 Santa Rosa
    1964 Print · USGS
    Covers San Geronimo, including Santa Rosa, Concord, and other nearby areas

  10. 1983 Map of Napa
    1983 Map of Napa
    1983 Napa
    1983 Print · USGS
    Covers San Geronimo, including Santa Rosa, Concord, and other nearby areas

End of results
Showing maps 1-10 of 10

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Frequently asked questions

  • What are the different types of historical maps available for San Geronimo?
  • What is the oldest map of San Geronimo?
  • Where can I purchase historical maps of San Geronimo for my home or office?
  • Where can I download high-res historical maps of San Geronimo?
  • Are there historical topographic maps available for San Geronimo?
  • Is there historical aerial imagery available for San Geronimo?
  • Where are historical maps of San Geronimo sourced from?

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