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Old Maps of Union, Ohio 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, OH maps

(11)
  1. 1904 Map of Dayton, 1956 Print
    1904 Map of Dayton, 1956 Print
    1904 Dayton
    1956 Print · USGS
    The Miami Valley at the dawn of the 1900s shows a landscape transformed by the Miami and Erie Canal and a dense network of interurban electric railways. Researchers can trace historic river communities like Osborn and Tipp City or follow the early path of the National Road.
  4. 1905 Map of Brookville, 1953 Print
    1905 Map of Brookville, 1953 Print
    1905 Brookville
    1953 Print · USGS
    Western Montgomery County in the early 1900s shows a landscape of rail-connected farming towns and early river management. Trace the path of the historic National Road through Arlington or locate family sites near Shiloh Church and Harshbarger Schoolhouse.
  7. 1906 Map of Dayton, 1935 Print
    1906 Map of Dayton, 1935 Print
    1906 Dayton
    1935 Print · USGS
    The Dayton region in the early twentieth century shows a landscape transitioning from the canal era to the age of electric interurbans and railroads. Trace the original sites of Osborn and Fairfield or locate the path of the Miami and Erie Canal.
    2 unique versions available
  10. 1953 Map of Cincinnati, 1965 Print
    1953 Map of Cincinnati, 1965 Print
    1953 Cincinnati
    1965 Print · USGS
    The Ohio River valley and the industrial heartland of Indiana and Ohio are captured here during the mid-century peak of rail and river commerce. Genealogists and historians can trace connections between Cincinnati and outlying military sites like Camp Atterbury and Bakalar AFB.
    3 unique versions available
  13. 1955 Map of West Milton, 1956 Print
    1955 Map of West Milton, 1956 Print
    1955 West Milton
    1956 Print · USGS
    Miami and Montgomery counties in the mid-fifties reveal a landscape of river-bend settlements and rural townships. Trace family roots at Wheelock Cem, locate the old Township Sch, or find the Drive-in Theater near the Stillwater River.
    5 unique versions available
  16. 1955 Map of Tipp City, 1956 Print
    1955 Map of Tipp City, 1956 Print
    1955 Tipp City
    1956 Print · USGS
    Miami County and Montgomery County meet along the river in the mid-fifties as the region transitions from its canal-era roots to a modern aviation hub. Genealogists can trace family landmarks like English Cemetery or Middle District Church while following the historic Miami and Erie Canal.
  19. 1957 Map of Cincinnati
    1957 Map of Cincinnati
    1957 Cincinnati
    1957 Print · USGS
    The Ohio River valley and its surrounding highlands thrived during the mid-fifties industrial peak, centered on the bustling Cincinnati and Dayton metropolitan hubs. Researchers can trace the extensive rail networks and military sites like Wright-Patterson AFB and Camp Atterbury.
  22. 1965 Map of Tipp City, 1967 Print
    1965 Map of Tipp City, 1967 Print
    1965 Tipp City
    1967 Print · USGS
    Miami County's river valley transition is captured here in the mid-sixties as Vandalia and Tipp City expand toward the Dayton Municipal Airport. Researchers can trace old family landmarks and rural hubs like Pearson Cem, Ginghamsburg, and the Middle District Sch.
    4 unique versions available
  25. 1986 Map of Dayton
    1986 Map of Dayton
    1986 Dayton
    1986 Print · USGS
    The Miami Valley and the Indiana-Ohio borderlands reached a peak of suburban and industrial connectivity in the mid-eighties. Genealogists and historians can trace family burial sites at Miami Memorial Garden (Cem) and the development surrounding Wright-Patterson Air Force Base.
    2 unique versions available
  28. 2023 Map of Tipp City, 2023 Print
    2023 Map of Tipp City, 2023 Print
    2023 Tipp City
    2023 Print · USGS
    The Miami Valley at the edge of the Montgomery and Miami county line shows a blend of aviation infrastructure and old township centers. Genealogists can trace family lines through numerous burial grounds like Hyattsville Cem and Pinegrove Cem along the Great Miami River.
  31. 2023 Map of West Milton, 2023 Print
    2023 Map of West Milton, 2023 Print
    2023 West Milton
    2023 Print · USGS
    The Stillwater River valley in Miami County is seen here in a modern survey of its long-established towns and family farms. Researchers can trace ancestral roots at several local burial sites, including Old Milton Cem, Riverside Cem, and Curtis Union Cem.
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