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Old Maps of Harper, California for Metal Detecting

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

Harper, CA maps

(10)
  1. 1886 Map of Alturas
    1886 Map of Alturas
    1886 Alturas
    1886 Print · USGS
    Covers Harper, including Alturas, Cedarville, and other nearby areas
  4. 1892 Map of Alturas
    1892 Map of Alturas
    1892 Alturas
    1892 Print · USGS
    Covers Harper, including Alturas, Cedarville, and other nearby areas
    7 unique versions available
  7. 1954 Map of Alturas, 1968 Print
    1954 Map of Alturas, 1968 Print
    1954 Alturas
    1968 Print · USGS
    Covers Harper, including Alturas, Tulelake, and other nearby areas
    4 unique versions available
  10. 1958 Map of Alturas
    1958 Map of Alturas
    1958 Alturas
    1958 Print · USGS
    Covers Harper, including Alturas, Tulelake, and other nearby areas
    2 unique versions available
  13. 1962 Map of Alturas
    1962 Map of Alturas
    1962 Alturas
    1962 Print · USGS
    Covers Harper, including Alturas, Tulelake, and other nearby areas
  16. 1962 Map of Adin, 1964 Print
    1962 Map of Adin, 1964 Print
    1962 Adin
    1964 Print · USGS
    Covers Harper, including Adin, Avila Place, and other nearby areas
    2 unique versions available
  19. 1965 Map of Alturas
    1965 Map of Alturas
    1965 Alturas
    1965 Print · USGS
    Covers Harper, including Alturas, Tulelake, and other nearby areas
  22. 1983 Map of Alturas
    1983 Map of Alturas
    1983 Alturas
    1983 Print · USGS
    Covers Harper, including Alturas, Adin, and other nearby areas
    2 unique versions available
  25. 1990 Map of Adin
    1990 Map of Adin
    1990 Adin
    1990 Print · USGS
    Covers Harper, including Adin, Lassen County, and other nearby areas
  28. 1993 Map of Adin, 1996 Print
    1993 Map of Adin, 1996 Print
    1993 Adin
    1996 Print · USGS
    Covers Harper, including Adin, Lassen County, and other nearby areas
End of results
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Frequently asked questions

  • What are the different types of historical maps available for Harper?
  • What is the oldest map of Harper?
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  • Are there historical topographic maps available for Harper?
  • Is there historical aerial imagery available for Harper?
  • Where are historical maps of Harper sourced from?