Join Free

Old Maps of Benton County, Oregon for Metal Detecting

Plan your next treasure hunt with 58 historic maps of Benton County. 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 Benton County.

Benton County, OR maps

(58)
  1. 1909 Map of Harrisburg
    1909 Map of Harrisburg
    1909 Harrisburg
    1909 Print · USGS
    Covers Benton County, including Harrisburg, Lancaster, and other nearby areas
  4. 1911 Map of Monroe
    1911 Map of Monroe
    1911 Monroe
    1911 Print · USGS
    Covers Benton County, including Monroe, Bellfountain, and other nearby areas
  7. 1911 Map of Inavale
    1911 Map of Inavale
    1911 Inavale
    1911 Print · USGS
    Covers Benton County, including United States, Oregon, and other nearby areas
  10. 1912 Map of Jefferson
    1912 Map of Jefferson
    1912 Jefferson
    1912 Print · USGS
    Covers Benton County, including Albany, Jefferson, and other nearby areas
  13. 1912 Map of Halsey
    1912 Map of Halsey
    1912 Halsey
    1912 Print · USGS
    Covers Benton County, including Harrisburg, Halsey, and other nearby areas
    3 unique versions available
  16. 1913 Map of Philomath
    1913 Map of Philomath
    1913 Philomath
    1913 Print · USGS
    Covers Benton County, including Corvallis, Philomath, and other nearby areas
  19. 1913 Map of Oakville
    1913 Map of Oakville
    1913 Oakville
    1913 Print · USGS
    Covers Benton County, including Corvallis, Albany, and other nearby areas
  22. 1913 Map of Wells
    1913 Map of Wells
    1913 Wells
    1913 Print · USGS
    Covers Benton County, including Albany, Adair Village, and other nearby areas
  25. 1914 Map of Soap Creek
    1914 Map of Soap Creek
    1914 Soap Creek
    1914 Print · USGS
    Covers Benton County, including Polk County, United States, and other nearby areas
  28. 1916 Map of Albany
    1916 Map of Albany
    1916 Albany
    1916 Print · USGS
    Covers Benton County, including Corvallis, Albany, and other nearby areas
    4 unique versions available
  31. 1921 Map of Corvallis
    1921 Map of Corvallis
    1921 Corvallis
    1921 Print · USGS
    Covers Benton County, including Corvallis, Philomath, and other nearby areas
    5 unique versions available
  34. 1922 Map of Monroe
    1922 Map of Monroe
    1922 Monroe
    1922 Print · USGS
    Covers Benton County, including Monroe, Bellfountain, and other nearby areas
    4 unique versions available
  37. 1939 Map of Marys Peak, 1956 Print
    1939 Map of Marys Peak, 1956 Print
    1939 Marys Peak
    1956 Print · USGS
    Covers Benton County, including Summit, Nashville, and other nearby areas
  40. 1939 Map of Monroe, 1956 Print
    1939 Map of Monroe, 1956 Print
    1939 Monroe
    1956 Print · USGS
    Covers Benton County, including Monroe, Bellfountain, and other nearby areas
  43. 1941 Map of Halsey
    1941 Map of Halsey
    1941 Halsey
    1941 Print · USGS
    Covers Benton County, including Harrisburg, Halsey, and other nearby areas
  46. 1942 Map of Marys Peak
    1942 Map of Marys Peak
    1942 Marys Peak
    1942 Print · USGS
    Covers Benton County, including Summit, Nashville, and other nearby areas
  49. 1942 Map of Alsea
    1942 Map of Alsea
    1942 Alsea
    1942 Print · USGS
    Covers Benton County, including Alsea, Lane County, and other nearby areas
  52. 1942 Map of Monroe
    1942 Map of Monroe
    1942 Monroe
    1942 Print · USGS
    Covers Benton County, including Monroe, Bellfountain, and other nearby areas
  55. 1942 Map of Corvallis
    1942 Map of Corvallis
    1942 Corvallis
    1942 Print · USGS
    Covers Benton County, including Corvallis, Philomath, and other nearby areas
    3 unique versions available
  58. 1942 Map of Tidewater, 1945 Print
    1942 Map of Tidewater, 1945 Print
    1942 Tidewater
    1945 Print · USGS
    Covers Benton County, including Paris, Little Albany, and other nearby areas
  61. 1944 Map of Albany
    1944 Map of Albany
    1944 Albany
    1944 Print · USGS
    Covers Benton County, including Corvallis, Albany, and other nearby areas
  64. 1953 Map of Salem
    1953 Map of Salem
    1953 Salem
    1953 Print · USGS
    Covers Benton County, including Eugene, Salem, and other nearby areas
  67. 1954 Map of Salem
    1954 Map of Salem
    1954 Salem
    1954 Print · USGS
    Covers Benton County, including Eugene, Salem, and other nearby areas
  70. 1956 Map of Corvallis, 1958 Print
    1956 Map of Corvallis, 1958 Print
    1956 Corvallis
    1958 Print · USGS
    Covers Benton County, including Corvallis, Philomath, and other nearby areas
    3 unique versions available
  73. 1956 Map of Alsea, 1958 Print
    1956 Map of Alsea, 1958 Print
    1956 Alsea
    1958 Print · USGS
    Covers Benton County, including Alsea, Lane County, and other nearby areas
    2 unique versions available
Showing maps 1-25 of 58

Top cities of Benton County

Frequently asked questions

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