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1900s (20th Century) Maps of Union, Providence Township

Explore 10 historic maps of Union from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — showing old roads, neighborhoods, homes, and landmarks that have changed or disappeared over time.

Whether you're researching your family's past, planning a metal detecting trip, or studying how Union's landscape evolved across the 1900s, these high-resolution maps are a powerful tool for exploring the history of this region.

  • Focus on a specific era: All maps on this page are from the 1900s, giving you a focused view of this time period.
  • See what’s changed: Compare century-old streets, trails, and buildings to today's modern landscape using overlays and satellite layers.
  • Research with precision: Use these maps for genealogy, historical research, land use analysis, or educational projects.
  • View, download, or print: Maps are fully viewable online in high resolution, and can be downloaded or printed for your own records.

Start exploring Union's history through authentic maps from the 1900s. This is your window into the past.

Union, Providence Township maps

(10)
  1. 1912 Map of Mc Calls Ferry
    1912 Map of Mc Calls Ferry
    1912 Mc Calls Ferry
    1912 Print · USGS
    The Susquehanna River valley near Safe Harbor is caught at a peak of rail-and-mill development during this pre-war survey. Genealogists and historians can trace the foundations of Martic Forge, find remote country schools like Red Hill School, and locate old stops on the Pennsylvania RR.
    5 unique versions available
  4. 1943 Map of Mc Calls Ferry
    1943 Map of Mc Calls Ferry
    1943 Mc Calls Ferry
    1943 Print · USGS
    Mid-century Pennsylvania life unfolds along the Susquehanna during the 1940s, where river-based industry and rail lines meet established farming townships. Researchers can trace ancestral locations from Washington Boro to rural landmarks like Erbs Mill, Bethel Church, and the Red Hill School.
    2 unique versions available
  7. 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
  10. 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.
  13. 1955 Map of Conestoga, 1956 Print
    1955 Map of Conestoga, 1956 Print
    1955 Conestoga
    1956 Print · USGS
    Lancaster County's southern townships are captured in the mid-fifties, showing a landscape shaped by winding creeks and crossroad villages. Genealogists and historians can trace family roots through numerous country landmarks like Boehm Ch, Marticville, and Colemanville.
    7 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.
  19. 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
  22. 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.
  25. 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
  28. 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.
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Frequently asked questions

  • What are the different types of historical maps available for Union?
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