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Old Maps of Union Mills, Union Township for Metal Detecting

Plan your next treasure hunt with 11 historic maps of Union Mills. 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 Mills.

Union Mills, Union Township maps

(11)
  1. 1924 Map of Lewistown, 1958 Print
    1924 Map of Lewistown, 1958 Print
    1924 Lewistown
    1958 Print · USGS
    Mifflin County settlements line the river and valley floor during the mid-1920s, showing the region's transition from agrarian mills to industrial rail hubs. Researchers can locate vanished rural landmarks such as Union Mills, Emma Chapel, and numerous family-named sites like Strodes Mills.
    2 unique versions available
  4. 1927 Map of Lewisburg
    1927 Map of Lewisburg
    1927 Lewisburg
    1927 Print · USGS
    The central Pennsylvania landscape in the 1920s is defined here by the winding Juniata River and the industrial hubs of Lewistown and Burnham. Local historians can trace old river crossings like Lafolds Ford or the many rural schoolhouses like Yoder School and Brice School.
    5 unique versions available
  7. 1943 Map of Lewistown
    1943 Map of Lewistown
    1943 Lewistown
    1943 Print · USGS
    Central Pennsylvania's rugged ridge-and-valley landscape is documented here during the mid-forties, showing the deep integration of rail lines and mountain gaps. Genealogists can trace family footprints through numerous rural landmarks like Emma Chapel, Mattern Junction, and the McNitt School.
  10. 1950 Map of Harrisburg, 1952 Print
    1950 Map of Harrisburg, 1952 Print
    1950 Harrisburg
    1952 Print · USGS
    Mid-century Central Pennsylvania comes alive through its dense rail networks and river valley settlements during the post-war industrial era. Genealogists and historians can trace family roots through hubs like Harrisburg, locate Carlisle Barracks, or follow the Pennsylvania RR through the Lebanon Valley.
  13. 1957 Map of Harrisburg
    1957 Map of Harrisburg
    1957 Harrisburg
    1957 Print · USGS
    Mid-century Central Pennsylvania comes into focus as a bustling network of rail, river, and mountain ridges. Genealogists and historians can trace the development of the State Capitol and surrounding hubs like Middletown, Columbia, and Pottsville.
    7 unique versions available
  16. 1961 Map of Harrisburg
    1961 Map of Harrisburg
    1961 Harrisburg
    1961 Print · USGS
    Central Pennsylvania is shown at a mid-century peak of industrial and military activity, from the Susquehanna water gaps to the fertile Dutch Country. Genealogists and historians can trace the rail corridors of the Pennsylvania RR and find landmarks like Carlisle Barracks or the Anthracite Coal Fields.
    2 unique versions available
  19. 1964 Map of Harrisburg
    1964 Map of Harrisburg
    1964 Harrisburg
    1964 Print · USGS
    Central Pennsylvania in the mid-fifties reveals a landscape shaped by ridge-and-valley geology and critical Cold War infrastructure. Researchers can trace the massive Indiantown Gap Military Reservation or the rail corridors of the Pennsylvania RR and Reading RR.
  22. 1966 Map of Belleville, 1968 Print
    1966 Map of Belleville, 1968 Print
    1966 Belleville
    1968 Print · USGS
    The Kishacoquillas Valley and Juniata River corridor are captured in the mid-1960s, showing the intersection of ridge-top forests and productive bottomlands. Genealogists can trace family landmarks like Strodes Mills, Locust Grove Cemetery, and Wesley Chapel.
    2 unique versions available
  25. 1984 Map of State College, 1985 Print
    1984 Map of State College, 1985 Print
    1984 State College
    1985 Print · USGS
    Central Pennsylvania’s Ridge-and-Valley province is captured here in the mid-eighties, showing the deep connection between the mountain terrain and the region's historic settlements. Researchers can trace the layout of Pennsylvania State University and follow old rail corridors like the Bellefonte Historical RR and Conrail.
  28. 1988 Map of State College, 1989 Print
    1988 Map of State College, 1989 Print
    1988 State College
    1989 Print · USGS
    Central Pennsylvania in the late eighties shows the sprawling influence of Pennsylvania State University against a backdrop of ancient ridges. Genealogists can trace family landmarks like Church Hill Church and the Bellefonte Cemetery across the deep valleys.
  31. 2023 Map of Belleville, 2023 Print
    2023 Map of Belleville, 2023 Print
    2023 Belleville
    2023 Print · USGS
    Mifflin County settlements and the Juniata River corridor are captured in this modern survey of the Kishacoquillas Valley. Researchers can trace family history at Rock Haven Mennonite Cem and find the legacy of the Pennsylvania Canal near Mattawana.
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