Old Maps of Bel Marin Keys, California for Metal Detecting

Plan your next treasure hunt with 15 historic maps of Bel Marin Keys. 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 Bel Marin Keys.


Bel Marin Keys, CA maps

(15)
  1. 1902 Map of Napa
    1902 Map of Napa
    1902 Napa
    1902 Print · USGS
    Covers Bel Marin Keys, including Concord, Vallejo, and other nearby areas
    6 unique versions available

  2. 1914 Map of Petaluma
    1914 Map of Petaluma
    1914 Petaluma
    1914 Print · USGS
    Covers Bel Marin Keys, including Petaluma, San Rafael, and other nearby areas
    5 unique versions available

  3. 1916 Map of Mare Island
    1916 Map of Mare Island
    1916 Mare Island
    1916 Print · USGS
    Covers Bel Marin Keys, including Vallejo, Richmond, and other nearby areas
    4 unique versions available

  4. 1942 Map of Mare Island
    1942 Map of Mare Island
    1942 Mare Island
    1942 Print · USGS
    Covers Bel Marin Keys, including Vallejo, Richmond, and other nearby areas

  5. 1942 Map of Petaluma
    1942 Map of Petaluma
    1942 Petaluma
    1942 Print · USGS
    Covers Bel Marin Keys, including Petaluma, San Rafael, and other nearby areas

  6. 1947 Map of Santa Rosa
    1947 Map of Santa Rosa
    1947 Santa Rosa
    1947 Print · USGS
    Covers Bel Marin Keys, including Santa Rosa, Concord, and other nearby areas

  7. 1949 Map of Santa Rosa
    1949 Map of Santa Rosa
    1949 Santa Rosa
    1949 Print · USGS
    Covers Bel Marin Keys, including Santa Rosa, Concord, and other nearby areas
    2 unique versions available

  8. 1951 Map of Petaluma Point
    1951 Map of Petaluma Point
    1951 Petaluma Point
    1951 Print · USGS
    Covers Bel Marin Keys, including Vallejo, Richmond, and other nearby areas
    2 unique versions available

  9. 1954 Map of Novato, 1955 Print
    1954 Map of Novato, 1955 Print
    1954 Novato
    1955 Print · USGS
    Covers Bel Marin Keys, including San Rafael, Novato, and other nearby areas
    6 unique versions available

  10. 1954 Map of Petaluma, 1959 Print
    1954 Map of Petaluma, 1959 Print
    1954 Petaluma
    1959 Print · USGS
    Covers Bel Marin Keys, including Petaluma, San Rafael, and other nearby areas
    3 unique versions available

  11. 1958 Map of Santa Rosa, 1968 Print
    1958 Map of Santa Rosa, 1968 Print
    1958 Santa Rosa
    1968 Print · USGS
    Covers Bel Marin Keys, including Santa Rosa, Concord, and other nearby areas
    3 unique versions available

  12. 1959 Map of Petaluma Point, 1960 Print
    1959 Map of Petaluma Point, 1960 Print
    1959 Petaluma Point
    1960 Print · USGS
    Covers Bel Marin Keys, including Vallejo, Richmond, and other nearby areas
    6 unique versions available

  13. 1962 Map of Santa Rosa
    1962 Map of Santa Rosa
    1962 Santa Rosa
    1962 Print · USGS
    Covers Bel Marin Keys, including Santa Rosa, Concord, and other nearby areas

  14. 1964 Map of Santa Rosa
    1964 Map of Santa Rosa
    1964 Santa Rosa
    1964 Print · USGS
    Covers Bel Marin Keys, including Santa Rosa, Concord, and other nearby areas

  15. 1983 Map of Napa
    1983 Map of Napa
    1983 Napa
    1983 Print · USGS
    Covers Bel Marin Keys, including Santa Rosa, Concord, and other nearby areas

End of results
Showing maps 1-15 of 15

Top cities near Bel Marin Keys

See more

Frequently asked questions

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

Explore Bel Marin Keys by time and use case