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Old Maps of Union, Colerain Township for Metal Detecting

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

Union, Colerain Township maps

(10)
  1. 1912 Map of Quarryville
    1912 Map of Quarryville
    1912 Quarryville
    1912 Print · USGS
    Covers Union, including West Lampeter Township, Willow Street, and other nearby areas
    6 unique versions available
  4. 1943 Map of Quarryville
    1943 Map of Quarryville
    1943 Quarryville
    1943 Print · USGS
    Covers Union, including West Lampeter Township, Willow Street, and other nearby areas
  7. 1948 Map of Baltimore
    1948 Map of Baltimore
    1948 Baltimore
    1948 Print · USGS
    Covers Union, including Baltimore, Columbia, and other nearby areas
    2 unique versions available
  10. 1954 Map of Baltimore
    1954 Map of Baltimore
    1954 Baltimore
    1954 Print · USGS
    Covers Union, including Baltimore, Columbia, and other nearby areas
  13. 1955 Map of Kirkwood, 1957 Print
    1955 Map of Kirkwood, 1957 Print
    1955 Kirkwood
    1957 Print · USGS
    Covers Union, including Little Britain Township, West Nottingham Township, and other nearby areas
    4 unique versions available
  16. 1956 Map of Baltimore
    1956 Map of Baltimore
    1956 Baltimore
    1956 Print · USGS
    Covers Union, including Baltimore, Columbia, and other nearby areas
  19. 1957 Map of Baltimore, 1964 Print
    1957 Map of Baltimore, 1964 Print
    1957 Baltimore
    1964 Print · USGS
    Covers Union, including Baltimore, Columbia, and other nearby areas
    5 unique versions available
  22. 1961 Map of Baltimore
    1961 Map of Baltimore
    1961 Baltimore
    1961 Print · USGS
    Covers Union, including Baltimore, Columbia, and other nearby areas
  25. 1983 Map of York, 1984 Print
    1983 Map of York, 1984 Print
    1983 York
    1984 Print · USGS
    Covers Union, including York, Westminster, and other nearby areas
    2 unique versions available
  28. 1989 Map of Baltimore
    1989 Map of Baltimore
    1989 Baltimore
    1989 Print · USGS
    Covers Union, including Baltimore, Columbia, and other nearby areas
End of results
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Frequently asked questions

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