Old Maps of Union Township, Pennsylvania for Metal Detecting

Plan your next treasure hunt with 27 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, PA maps

(27)
  1. 1905 Map of Westminster
    1905 Map of Westminster
    1905 Westminster
    1905 Print · USGS
    Carroll and York Counties come alive in the first decade of the twentieth century as the rail lines connected growing Maryland villages to the Pennsylvania border. Genealogists can trace family roots through historic landmarks like Bethel Ch, Hokes PO, and early milling sites like Bachman Mills.
    6 unique versions available

  2. 1908 Map of Gettysburg
    1908 Map of Gettysburg
    1908 Gettysburg
    1908 Print · USGS
    Gettysburg and rural Adams County appear in the early twentieth century as a landscape of memorialized battlefields and thriving rail-side villages. Genealogists can trace family roots through numerous country schools and landmark mills like Bream Mill or the Bermudian Churches.
    6 unique versions available

  3. 1911 Map of Taneytown
    1911 Map of Taneytown
    1911 Taneytown
    1911 Print · USGS
    Carroll County and the Maryland-Pennsylvania borderlands are captured here just after the turn of the century, showing a network of rail-linked towns and water-powered mills. Trace local history through Taneytown, Union Mills, and Pipe Creek Church, or find early school sites like Centennial Hall School.
    6 unique versions available

  4. 1920 Map of Hanover, 1959 Print
    1920 Map of Hanover, 1959 Print
    1920 Hanover
    1959 Print · USGS
    York County's rail-and-mill economy is on full display in the early twentieth century, centered on the busy junctions of Hanover and Hanover Junction. Genealogists and local historians can trace hundreds of rural sites, including Lischy Church, Porters Sideling, and the Trimmer's School.

  5. 1922 Map of Hanover
    1922 Map of Hanover
    1922 Hanover
    1922 Print · USGS
    York County's rolling farmland and industrial hubs are captured here in the early 1920s, just as the Lincoln Highway began transforming rural travel. Genealogists can locate family-named landmarks and country institutions like Wildasin Chapel, Menges Mills, and the Iron Ridge Ironore PO.
    5 unique versions available

  6. 1942 Map of Gettysburg, 1944 Print
    1942 Map of Gettysburg, 1944 Print
    1942 Gettysburg
    1944 Print · USGS
    Gettysburg and its surrounding borderlands are shown in great detail during the early 1940s, capturing the region's dense network of rural schools and mills. Genealogists can trace family-named landmarks such as Galt Kump PO, Hafers Mill, and Philips Delight Sch.

  7. 1944 Map of Manchester
    1944 Map of Manchester
    1944 Manchester
    1944 Print · USGS
    The Pennsylvania-Maryland border country was a landscape of mill seats and rural schools in the 1940s. Genealogists and historians can trace the Mason And Dixon Line past Bachman Mills, Hoffackers School, and St Bartholomew Church.

  8. 1944 Map of Mc Sherrystown
    1944 Map of Mc Sherrystown
    1944 Mc Sherrystown
    1944 Print · USGS
    Adams County at the height of the mid-forties reveals a landscape defined by small boroughs, limestone quarries, and rural schoolhouses. Genealogists can trace family locations near Mc Sherrystown, St Joseph Academy, and the rail junction at Berlin Jct.
    4 unique versions available

  9. 1944 Map of Littlestown
    1944 Map of Littlestown
    1944 Littlestown
    1944 Print · USGS
    The Pennsylvania and Maryland borderlands are captured here in the mid-1940s, revealing a landscape of rural schoolhouses and industrial milling. Genealogists and researchers can locate family sites near Menges Mill, Cherrytown, and Oak Grove School.
    2 unique versions available

  10. 1948 Map of Baltimore
    1948 Map of Baltimore
    1948 Baltimore
    1948 Print · USGS
    Maryland and Pennsylvania crossroads are captured in the late 1940s, showing a landscape defined by historic rail lines and major military installations. Genealogists can trace family connections in Gettysburg, Westminster, and near the U.S. Naval Academy in Annapolis.
    2 unique versions available

  11. 1951 Map of Gettysburg, 1954 Print
    1951 Map of Gettysburg, 1954 Print
    1951 Gettysburg
    1954 Print · USGS
    Gettysburg and its surrounding Adams County townships appear here during the early fifties, blending solemn Civil War landmarks with a bustling mid-century rural economy. Genealogists can locate family-named sites like Ziegler Mill, trace students at Locust Grove Sch, or find ancestors at Conewago Chapel.
    3 unique versions available

  12. 1953 Map of Manchester, 1954 Print
    1953 Map of Manchester, 1954 Print
    1953 Manchester
    1954 Print · USGS
    The Maryland-Pennsylvania borderlands are captured here in the early fifties, where the historic Mason and Dixon Line bisects a landscape of small farming hamlets. Researchers can trace the layout of old rural crossroads such as Bachman Mills, Bixler, and Melrose.
    6 unique versions available

  13. 1953 Map of Littlestown, 1954 Print
    1953 Map of Littlestown, 1954 Print
    1953 Littlestown
    1954 Print · USGS
    The Mason and Dixon Line bisects this borderland region in the 1950s, where Pennsylvania's Adams County meets Maryland's Carroll County. Genealogists and historians can trace the early industrial footprint of the creeks via Menges Mill, Pipe Creek Mill, and the settlement at Union Mills.
    6 unique versions available

  14. 1954 Map of Baltimore
    1954 Map of Baltimore
    1954 Baltimore
    1954 Print · USGS
    The Mid-Atlantic region in the early fifties shows a landscape of growing suburban centers and heavy rail corridors. Trace mid-century transit networks and military landmarks from the Aberdeen Proving Ground to the Gettysburg National Military Park.

  15. 1954 Map of Hanover, 1956 Print
    1954 Map of Hanover, 1956 Print
    1954 Hanover
    1956 Print · USGS
    Mid-century York County is captured here during a period of steady growth along the Western Maryland rail line. Genealogists and local researchers can trace family landmarks like Menges Mills, Fuhrmans Mill, and the expansive Mt Olivet Cem.
    5 unique versions available

  16. 1956 Map of Baltimore
    1956 Map of Baltimore
    1956 Baltimore
    1956 Print · USGS
    Mid-century Maryland and Pennsylvania are captured here during a period of massive suburban and military growth across the Chesapeake region. Genealogists and historians can trace the rail corridors of the Baltimore & Ohio RR and locate landmarks like Fort McHenry or the Aberdeen Proving Ground.

  17. 1957 Map of Baltimore, 1964 Print
    1957 Map of Baltimore, 1964 Print
    1957 Baltimore
    1964 Print · USGS
    Maryland and Southern Pennsylvania are shown during the mid-century expansion of the Baltimore-Washington corridor. Researchers can trace the extensive rail lines of the Baltimore & Ohio RR and locate sites like Fort Detrick and Gettysburg National Military Park.
    5 unique versions available

  18. 1961 Map of Baltimore
    1961 Map of Baltimore
    1961 Baltimore
    1961 Print · USGS
    Maryland and Pennsylvania are captured at a mid-century peak of industrial and military expansion. Genealogists and historians can trace rail corridors like the Western Maryland Ry or locate regional landmarks such as Camp Detrick and Kent Island.

  19. 1983 Map of York, 1984 Print
    1983 Map of York, 1984 Print
    1983 York
    1984 Print · USGS
    South Central Pennsylvania and Northern Maryland meet along the Susquehanna during the early eighties. Genealogists and local historians can trace the transit networks of Conrail and Amtrak through towns like Red Lion and Seven Valleys.
    2 unique versions available

  20. 1983 Map of Hagerstown, 1984 Print
    1983 Map of Hagerstown, 1984 Print
    1983 Hagerstown
    1984 Print · USGS
    The tri-state borderlands of Maryland, Pennsylvania, and West Virginia are shown in the early eighties as a hub of military installations and valley towns. Genealogists and historians can trace the landscape from Gettysburg National Military Park to the banks of the Potomac River.
    2 unique versions available

  21. 1989 Map of Baltimore
    1989 Map of Baltimore
    1989 Baltimore
    1989 Print · USGS
    The Mid-Atlantic corridor in the late eighties is captured here, from the Baltimore harbor to the Blue Ridge foothills. Researchers can trace the sprawling footprints of Aberdeen Proving Ground, the historic grounds of Gettysburg National Military Park, and the winding Susquehanna River.

  22. 1990 Map of Mc Sherrystown, 1995 Print
    1990 Map of Mc Sherrystown, 1995 Print
    1990 Mc Sherrystown
    1995 Print · USGS
    The Adams County countryside surrounding McSherrystown and New Oxford in the early nineties reveals a blend of farming, quarrying, and historic crossroads. Genealogists can locate family landmarks like Hostetters Meeting House, Low Dutch Cem, and the St Joseph Academy.

  23. 1998 Map of Hanover, 2000 Print
    1998 Map of Hanover, 2000 Print
    1998 Hanover
    2000 Print · USGS
    York County's southern borderlands near the end of the century reveal a landscape of growing towns and industrial heritage. Genealogists and researchers can trace family landmarks like Mt Olivet Cem, Menges Mills, and several rural schools such as Bears Sch and Zumbrum Sch.

  24. 2023 Map of McSherrystown, 2023 Print
    2023 Map of McSherrystown, 2023 Print
    2023 McSherrystown
    2023 Print · USGS
    Adams County’s historic boroughs and rural parishes are documented here in recent detail, reflecting centuries of settlement. Researchers can trace local lineage through sites like Northern Low Dutch Cem, Hostetters Meeting House Cem, and the venerable Conewago Chapel Basilica.

  25. 2023 Map of Littlestown, 2023 Print
    2023 Map of Littlestown, 2023 Print
    2023 Littlestown
    2023 Print · USGS
    The Pennsylvania and Maryland borderlands come alive in this modern survey of the rural landscape between Adams and Carroll counties. Genealogists and historians can trace family roots through numerous sites like Saint John's Lutheran Cem, the industrial legacy of Arters Mill, and the quiet crossroads of Silver Run.

Showing maps 1-25 of 27

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