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Old Maps of Keystone, California for Metal Detecting

Plan your next treasure hunt with 11 historic maps of Keystone. 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 Keystone.

Keystone, CA maps

(11)
  1. 1916 Map of Copperopolis
    1916 Map of Copperopolis
    1916 Copperopolis
    1916 Print · USGS
    Covers Keystone, including Telegraph City, The Shores of Poker Flat, and other nearby areas
    3 unique versions available
  4. 1942 Map of Copperopolis
    1942 Map of Copperopolis
    1942 Copperopolis
    1942 Print · USGS
    Covers Keystone, including Telegraph City, The Shores of Poker Flat, and other nearby areas
  7. 1947 Map of San Jose, 1948 Print
    1947 Map of San Jose, 1948 Print
    1947 San Jose
    1948 Print · USGS
    Covers Keystone, including San Jose, Stockton, and other nearby areas
  10. 1954 Map of Copperopolis, 1956 Print
    1954 Map of Copperopolis, 1956 Print
    1954 Copperopolis
    1956 Print · USGS
    Covers Keystone, including Telegraph City, The Shores of Poker Flat, and other nearby areas
  13. 1956 Map of San Jose
    1956 Map of San Jose
    1956 San Jose
    1956 Print · USGS
    Covers Keystone, including San Jose, Stockton, and other nearby areas
  16. 1962 Map of San Jose
    1962 Map of San Jose
    1962 San Jose
    1962 Print · USGS
    Covers Keystone, including San Jose, Stockton, and other nearby areas
    4 unique versions available
  19. 1962 Map of Keystone, 1963 Print
    1962 Map of Keystone, 1963 Print
    1962 Keystone
    1963 Print · USGS
    Covers Keystone, including Stanislaus County, Tuolumne County, and other nearby areas
    2 unique versions available
  22. 1962 Map of Copperopolis, 1964 Print
    1962 Map of Copperopolis, 1964 Print
    1962 Copperopolis
    1964 Print · USGS
    Covers Keystone, including Telegraph City, The Shores of Poker Flat, and other nearby areas
    2 unique versions available
  25. 1966 Map of San Jose
    1966 Map of San Jose
    1966 San Jose
    1966 Print · USGS
    Covers Keystone, including San Jose, Stockton, and other nearby areas
  28. 1994 Map of Oakdale, 1995 Print
    1994 Map of Oakdale, 1995 Print
    1994 Oakdale
    1995 Print · USGS
    Covers Keystone, including Modesto, Turlock, and other nearby areas
    2 unique versions available
  31. 2000 Map of Keystone, 2002 Print
    2000 Map of Keystone, 2002 Print
    2000 Keystone
    2002 Print · USGS
    Covers Keystone, including Stanislaus County, Tuolumne County, and other nearby areas
End of results
Showing maps 1-11 of 11

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Frequently asked questions

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