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Old Maps of Union Township, Ohio for Metal Detecting

Plan your next treasure hunt with 12 historic maps of Union Township. 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 Township.

Union Township, OH maps

(12)
  1. 1913 Map of Bellefontaine
    1913 Map of Bellefontaine
    1913 Bellefontaine
    1913 Print · USGS
    Logan County in the decade before the First World War shows a landscape connected by steam and electric rail. Genealogists can locate family landmarks from Santa Fe to Quincy, including the County Infirmary and old sites like Muchinippi Church.
    2 unique versions available
  4. 1915 Map of Bellefontaine
    1915 Map of Bellefontaine
    1915 Bellefontaine
    1915 Print · USGS
    Logan County at the start of the twentieth century shows a bustling landscape of rail hubs and lakeside settlements. Genealogists can trace family footprints at Richland New Richland PO or locate landmarks like the County Infirmary and Black Lake School.
    3 unique versions available
  7. 1944 Map of Bellefontaine
    1944 Map of Bellefontaine
    1944 Bellefontaine
    1944 Print · USGS
    Logan County in the 1940s centers on the bustling rail junction of Bellefontaine and the recreational shores of Indian Lake. Genealogists and local historians can locate early landmarks like the County Infirmary and dozens of rural schoolhouses, including McKee Creek Sch and Miller Sch.
  10. 1950 Map of Marion
    1950 Map of Marion
    1950 Marion
    1950 Print · USGS
    Central Ohio was a powerhouse of rail and river industry at the mid-century point, serving as a vital corridor between the Great Lakes and the Ohio River valley. Genealogists and rail historians can trace the paths of the Erie RR and Nickel Plate Road through towns like Bucyrus, Galion, and Upper Sandusky.
  13. 1960 Map of Bellefontaine, 1962 Print
    1960 Map of Bellefontaine, 1962 Print
    1960 Bellefontaine
    1962 Print · USGS
    Central Ohio during the early sixties shows a landscape of growing towns and deep-rooted rural townships. Trace family history through Alexander Cem, visit the original Rutan Hospital, or follow the New York Central lines near Gretna.
    4 unique versions available
  16. 1961 Map of De Graff, 1962 Print
    1961 Map of De Graff, 1962 Print
    1961 De Graff
    1962 Print · USGS
    Logan County during the early 1960s reveals a landscape defined by the intersection of the New York Central Railroad and the Miami River. Researchers can trace old family lineages at Olive Chapel Cem or locate community landmarks like Riverside High Sch and the Shady Bowl Speedway.
    3 unique versions available
  19. 1962 Map of Marion
    1962 Map of Marion
    1962 Marion
    1962 Print · USGS
    Central Ohio during the post-war era showcases a dense network of railroad towns and emerging interstate highways. Genealogists can trace family roots in smaller settlements like Houcktown and Marseilles or locate landmarks near Indian Lake.
  22. 1966 Map of Marion, 1968 Print
    1966 Map of Marion, 1968 Print
    1966 Marion
    1968 Print · USGS
    Central Ohio in the mid-sixties is captured during a period of rapid highway expansion and industrial connectivity. Genealogists and historians can trace rail-and-river networks through towns like Marion, Urbana, and Mount Vernon, or locate landmarks such as Malabar Farm and Black Hand Rock.
    3 unique versions available
  25. 1986 Map of Bellefontaine
    1986 Map of Bellefontaine
    1986 Bellefontaine
    1986 Print · USGS
    West Central Ohio in the mid-1980s reveals a landscape of growing metropolitan fringes and established rural centers. Researchers can trace historic cemeteries and civic institutions from Oak Grove Cem to the State Reformatory For Women and Cedar Bog State Nature Preserve.
  28. 1992 Map of Bellefontaine
    1992 Map of Bellefontaine
    1992 Bellefontaine
    1992 Print · USGS
    West-central Ohio in the early nineties reveals a blend of high-plateau geography and growing suburban corridors near the state capital. Genealogists can trace family connections to landmarks like Mount Tabor Church, Oak Grove Cemetery, and the high ground of Campbell Hill.
  31. 2023 Map of De Graff, 2023 Print
    2023 Map of De Graff, 2023 Print
    2023 De Graff
    2023 Print · USGS
    The rural border of Logan and Champaign counties comes alive in this modern survey of the Great Miami River valley. Family historians can locate numerous burial grounds like Newman Cem and Armstrong Cem, while tracing the riverside reaches of De Graff and Quincy.
  34. 2023 Map of Bellefontaine, 2023 Print
    2023 Map of Bellefontaine, 2023 Print
    2023 Bellefontaine
    2023 Print · USGS
    Logan County is depicted in the early twenty-first century, anchored by the seat at Bellefontaine and the rural reaches of West Liberty. Researchers can trace dozens of family and community landmarks, including the Logan County Courthouse, New Philadelphia Cem, and Jewel Hill.
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