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Old Maps of Union, North Dakota for Metal Detecting

Plan your next treasure hunt with 11 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, ND maps

(11)
  1. 1952 Map of Thief River Falls, 1967 Print
    1952 Map of Thief River Falls, 1967 Print
    1952 Thief River Falls
    1967 Print · USGS
    The Red River Valley's agricultural and conservation landscape is captured in the mid-1950s, detailing a web of rail lines and international border crossings. Researchers can trace family roots in towns like Thief River Falls, locate the State School for Blind, and survey landmarks like the Agassiz National Wildlife Refuge.
    2 unique versions available
  4. 1956 Map of Thief River Falls
    1956 Map of Thief River Falls
    1956 Thief River Falls
    1956 Print · USGS
    The Red River Valley in the mid-1950s is captured here as a sprawling network of rail corridors and wildlife refuges along the Canadian border. Trace the vanished transport routes of the Dismantled railroad and Abandoned railroad or locate local landmarks like the Herrick Elevator and State School for Blind.
  7. 1957 Map of Thief River Falls
    1957 Map of Thief River Falls
    1957 Thief River Falls
    1957 Print · USGS
    The Red River Valley in the mid-fifties is captured here as a thriving network of rail towns and conservation lands. Genealogists and historians can trace family roots through settlements like Grafton, Pembina, and Hallock, or locate landmarks such as the State School for Blind and the Great Northern RR corridor.
  10. 1967 Map of Thief River Falls
    1967 Map of Thief River Falls
    1967 Thief River Falls
    1967 Print · USGS
    The Red River Valley and the international border come alive in the 1960s, showing a landscape shaped by major rail lines and river commerce. Genealogists and historians can trace the paths of the Great Northern and Soo Line through towns like Thief River Falls, Grafton, and Hallock.
  13. 1972 Map of Union, 1975 Print
    1972 Map of Union, 1975 Print
    1972 Union
    1975 Print · USGS
    Northeastern North Dakota in the early seventies reveals a landscape of tri-county intersections and quiet prairie settlements. Genealogists can locate family landmarks like the Langemo Pioneer Cem, Pioneer Ch, and the rural community of Union.
  16. 1985 Map of Cavalier
    1985 Map of Cavalier
    1985 Cavalier
    1985 Print · USGS
    The Red River Valley and the international border meet in this mid-1980s look at the drainage and rail networks of Northeast North Dakota. Trace the paths of the Burlington Northern and Soo Line through border towns like Neche, Pembina, and Noyes.
    2 unique versions available
  19. 2011 Map of Union, 2011 Print
    2011 Map of Union, 2011 Print
    2011 Union
    2011 Print · USGS
    Covers Union, including Cavalier County, Walsh County, and other nearby areas
  22. 2014 Map of Union, 2014 Print
    2014 Map of Union, 2014 Print
    2014 Union
    2014 Print · USGS
    Covers Union, including Cavalier County, Walsh County, and other nearby areas
  25. 2017 Map of Union, 2017 Print
    2017 Map of Union, 2017 Print
    2017 Union
    2017 Print · USGS
    Covers Union, including Cavalier County, Walsh County, and other nearby areas
  28. 2020 Map of Union, 2020 Print
    2020 Map of Union, 2020 Print
    2020 Union
    2020 Print · USGS
    Covers Union, including Cavalier County, Walsh County, and other nearby areas
  31. 2024 Map of Union, 2024 Print
    2024 Map of Union, 2024 Print
    2024 Union
    2024 Print · USGS
    The rural borderlands of Cavalier, Pembina, and Walsh Counties are shown here in modern detail, preserving the grid of early North Dakota settlements. Genealogists can trace family roots through several dedicated burial sites, including the Gardar Pioneer Cem, West Zion Cem, and Langemo Pioneer Cem.
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