Join Free

Old Maps of Acalanes Ridge, Contra Costa County for Metal Detecting

Plan your next treasure hunt with 21 historic maps of Acalanes Ridge. 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 Acalanes Ridge.

Acalanes Ridge, Contra Costa County maps

(21)
  1. 1897 Map of Concord
    1897 Map of Concord
    1897 Concord
    1897 Print · USGS
    Covers Acalanes Ridge, including Oakland, Concord, and other nearby areas
    7 unique versions available
  4. 1915 Map of Concord
    1915 Map of Concord
    1915 Concord
    1915 Print · USGS
    Covers Acalanes Ridge, including Oakland, Concord, and other nearby areas
    6 unique versions available
  7. 1942 Map of Concord
    1942 Map of Concord
    1942 Concord
    1942 Print · USGS
    Covers Acalanes Ridge, including Oakland, Concord, and other nearby areas
  10. 1943 Map of Concord
    1943 Map of Concord
    1943 Concord
    1943 Print · USGS
    Covers Acalanes Ridge, including Oakland, Concord, and other nearby areas
  13. 1947 Map of San Francisco, 1948 Print
    1947 Map of San Francisco, 1948 Print
    1947 San Francisco
    1948 Print · USGS
    Covers Acalanes Ridge, including San Jose, San Francisco, and other nearby areas
  16. 1947 Map of Walnut Creek, 1954 Print
    1947 Map of Walnut Creek, 1954 Print
    1947 Walnut Creek
    1954 Print · USGS
    Covers Acalanes Ridge, including Concord, Walnut Creek, and other nearby areas
  19. 1948 Map of San Francisco, 1951 Print
    1948 Map of San Francisco, 1951 Print
    1948 San Francisco
    1951 Print · USGS
    Covers Acalanes Ridge, including San Jose, San Francisco, and other nearby areas
  22. 1949 Map of Walnut Creek
    1949 Map of Walnut Creek
    1949 Walnut Creek
    1949 Print · USGS
    Covers Acalanes Ridge, including Concord, Walnut Creek, and other nearby areas
    2 unique versions available
  25. 1955 Map of San Francisco
    1955 Map of San Francisco
    1955 San Francisco
    1955 Print · USGS
    Covers Acalanes Ridge, including San Jose, San Francisco, and other nearby areas
  28. 1956 Map of San Francisco
    1956 Map of San Francisco
    1956 San Francisco
    1956 Print · USGS
    Covers Acalanes Ridge, including San Jose, San Francisco, and other nearby areas
    4 unique versions available
  31. 1957 Map of San Francisco
    1957 Map of San Francisco
    1957 San Francisco
    1957 Print · USGS
    Covers Acalanes Ridge, including San Jose, San Francisco, and other nearby areas
  34. 1959 Map of Walnut Creek, 1960 Print
    1959 Map of Walnut Creek, 1960 Print
    1959 Walnut Creek
    1960 Print · USGS
    Covers Acalanes Ridge, including Concord, Walnut Creek, and other nearby areas
    7 unique versions available
  37. 1959 Map of Concord, 1961 Print
    1959 Map of Concord, 1961 Print
    1959 Concord
    1961 Print · USGS
    Covers Acalanes Ridge, including Oakland, Concord, and other nearby areas
    2 unique versions available
  40. 1960 Map of San Francisco
    1960 Map of San Francisco
    1960 San Francisco
    1960 Print · USGS
    Covers Acalanes Ridge, including San Jose, San Francisco, and other nearby areas
  43. 1961 Map of San Francisco
    1961 Map of San Francisco
    1961 San Francisco
    1961 Print · USGS
    Covers Acalanes Ridge, including San Jose, San Francisco, and other nearby areas
  46. 1964 Map of San Francisco
    1964 Map of San Francisco
    1964 San Francisco
    1964 Print · USGS
    Covers Acalanes Ridge, including San Jose, San Francisco, and other nearby areas
  49. 1971 Map of San Francisco
    1971 Map of San Francisco
    1971 San Francisco
    1971 Print · USGS
    Covers Acalanes Ridge, including San Jose, San Francisco, and other nearby areas
  52. 1978 Map of San Francisco, 1979 Print
    1978 Map of San Francisco, 1979 Print
    1978 San Francisco
    1979 Print · USGS
    Covers Acalanes Ridge, including San Francisco, Oakland, and other nearby areas
    2 unique versions available
  55. 1985 Map of San Francisco, 1989 Print
    1985 Map of San Francisco, 1989 Print
    1985 San Francisco
    1989 Print · USGS
    Covers Acalanes Ridge, including San Jose, San Francisco, and other nearby areas
  58. 1993 Map of Walnut Creek, 1997 Print
    1993 Map of Walnut Creek, 1997 Print
    1993 Walnut Creek
    1997 Print · USGS
    Covers Acalanes Ridge, including Concord, Walnut Creek, and other nearby areas
  61. 1995 Map of Walnut Creek, 1999 Print
    1995 Map of Walnut Creek, 1999 Print
    1995 Walnut Creek
    1999 Print · USGS
    Covers Acalanes Ridge, including Concord, Walnut Creek, and other nearby areas
End of results
Showing maps 1-21 of 21

Frequently asked questions

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