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Old Maps of Petrolia, California for Metal Detecting

Plan your next treasure hunt with 10 historic maps of Petrolia. 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 Petrolia.

Petrolia, CA maps

(10)
  1. 1921 Map of Cape Mendocino
    1921 Map of Cape Mendocino
    1921 Cape Mendocino
    1921 Print · USGS
    Covers Petrolia, including Capetown, Humboldt County, and other nearby areas
  4. 1949 Map of Eureka
    1949 Map of Eureka
    1949 Eureka
    1949 Print · USGS
    Covers Petrolia, including Eureka, Arcata, and other nearby areas
    2 unique versions available
  7. 1950 Map of Cape Mendocino, 1955 Print
    1950 Map of Cape Mendocino, 1955 Print
    1950 Cape Mendocino
    1955 Print · USGS
    Covers Petrolia, including Capetown, Humboldt County, and other nearby areas
  10. 1951 Map of Cape Mendocino
    1951 Map of Cape Mendocino
    1951 Cape Mendocino
    1951 Print · USGS
    Covers Petrolia, including Capetown, Humboldt County, and other nearby areas
    2 unique versions available
  13. 1958 Map of Eureka, 1967 Print
    1958 Map of Eureka, 1967 Print
    1958 Eureka
    1967 Print · USGS
    Covers Petrolia, including Eureka, Arcata, and other nearby areas
  16. 1958 Map of Eureka, 1978 Print
    1958 Map of Eureka, 1978 Print
    1958 Eureka
    1978 Print · USGS
    Covers Petrolia, including Eureka, Arcata, and other nearby areas
  19. 1961 Map of Eureka
    1961 Map of Eureka
    1961 Eureka
    1961 Print · USGS
    Covers Petrolia, including Eureka, Arcata, and other nearby areas
    2 unique versions available
  22. 1969 Map of Petrolia, 1974 Print
    1969 Map of Petrolia, 1974 Print
    1969 Petrolia
    1974 Print · USGS
    Covers Petrolia, including Humboldt County, United States, and other nearby areas
  25. 1989 Map of Cape Mendocino
    1989 Map of Cape Mendocino
    1989 Cape Mendocino
    1989 Print · USGS
    Covers Petrolia, including Rio Dell, Scotia, and other nearby areas
  28. 1997 Map of Petrolia, 2002 Print
    1997 Map of Petrolia, 2002 Print
    1997 Petrolia
    2002 Print · USGS
    Covers Petrolia, including Humboldt County, United States, 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 Petrolia?
  • What is the oldest map of Petrolia?
  • Where can I purchase historical maps of Petrolia for my home or office?
  • Where can I download high-res historical maps of Petrolia?
  • Are there historical topographic maps available for Petrolia?
  • Is there historical aerial imagery available for Petrolia?
  • Where are historical maps of Petrolia sourced from?