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Old Maps of Saint Mary, Illinois for Metal Detecting

Plan your next treasure hunt with 13 historic maps of Saint Mary. 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 Saint Mary.

Saint Mary, IL maps

(13)
  1. 1913 Map of Colchester
    1913 Map of Colchester
    1913 Colchester
    1913 Print · USGS
    Western Illinois at the start of the twentieth century was a landscape of dense rural school districts and prairie rail towns. Trace the early footprints of Colchester and Tennessee, or locate forgotten sites like Vishnu Sprs and the Clay Mine.
    3 unique versions available
  4. 1958 Map of Burlington, 1968 Print
    1958 Map of Burlington, 1968 Print
    1958 Burlington
    1968 Print · USGS
    The tri-state river country of Iowa, Illinois, and Missouri is captured here in the mid-fifties, dominated by the Mississippi River and major rail lines. Genealogists and historians can trace the development of river towns like Keokuk or locate the sprawling Iowa Army Ammunition Plant.
    4 unique versions available
  7. 1961 Map of Burlington
    1961 Map of Burlington
    1961 Burlington
    1961 Print · USGS
    The tri-state borderlands along the Mississippi River are captured here during the late fifties and early sixties, showing the vital river-and-rail economy of Iowa, Illinois, and Missouri. Genealogists and historians can trace the development of major hubs like Galesburg and Macomb alongside landmark sites such as the Iowa Ordnance Plant and the historic river town of Nauvoo.
  10. 1963 Map of Burlington
    1963 Map of Burlington
    1963 Burlington
    1963 Print · USGS
    The tri-state river country of the Mississippi and Illinois valleys comes alive in this mid-century survey. Genealogists and historians can trace the industrial and academic growth of the region, from the Iowa Ordnance Plant to campuses like Knox College and Western Illinois University.
  13. 1974 Map of Plymouth, 1978 Print
    1974 Map of Plymouth, 1978 Print
    1974 Plymouth
    1978 Print · USGS
    Hancock and McDonough counties meet here in the mid-1970s, where rural industry and rail lines converge. Genealogists and historians can trace the Colmar - Plymouth Oil Field and family sites like Trimble Cem or Irwin Cem.
  16. 1985 Map of Macomb
    1985 Map of Macomb
    1985 Macomb
    1985 Print · USGS
    West Central Illinois in the mid-eighties shows a robust network of river towns and rail corridors spanning from the Illinois River to the Lamoine. Genealogists and historians can trace the foundations of Macomb, find rural landmarks like Pennington Point, or locate early conservation sites like Argyle Lake State Park.
  19. 1989 Map of Macomb
    1989 Map of Macomb
    1989 Macomb
    1989 Print · USGS
    West Central Illinois in the late eighties shows a landscape of river-bottom conservation and rail-town commerce. Researchers can trace the extensive wetlands of the Illinois River or locate historic transport hubs in Macomb, Colchester, and Beardstown.
  22. 1990 Map of Burlington
    1990 Map of Burlington
    1990 Burlington
    1990 Print · USGS
    The tri-state confluence of Iowa, Illinois, and Missouri is mapped here at the end of the twentieth century. Genealogists and historians can trace the riverfront heritage of Burlington, Keokuk, and Fort Madison, or locate sites like the Battle of Athens State Historic Site.
    2 unique versions available
  25. 2012 Map of Plymouth, 2012 Print
    2012 Map of Plymouth, 2012 Print
    2012 Plymouth
    2012 Print · USGS
    Covers Saint Mary, including Plymouth, Colmar, and other nearby areas
  28. 2015 Map of Plymouth, 2015 Print
    2015 Map of Plymouth, 2015 Print
    2015 Plymouth
    2015 Print · USGS
    Covers Saint Mary, including Plymouth, Colmar, and other nearby areas
  31. 2018 Map of Plymouth, 2018 Print
    2018 Map of Plymouth, 2018 Print
    2018 Plymouth
    2018 Print · USGS
    Covers Saint Mary, including Plymouth, Colmar, and other nearby areas
  34. 2021 Map of Plymouth, 2021 Print
    2021 Map of Plymouth, 2021 Print
    2021 Plymouth
    2021 Print · USGS
    Covers Saint Mary, including Plymouth, Colmar, and other nearby areas
  37. 2024 Map of Plymouth, 2024 Print
    2024 Map of Plymouth, 2024 Print
    2024 Plymouth
    2024 Print · USGS
    The western Illinois borderlands of Hancock, McDonough, and Schuyler counties are documented here in recent detail. Genealogists can trace family roots at Rosemont Cem and Round Prairie Cem or explore the river landscape near Colmar and Plymouth.
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