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1900s (20th Century) Maps of Aberdeen, Mount Joy Township

Explore 10 historic maps of Aberdeen 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 Aberdeen'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 Aberdeen's history through authentic maps from the 1900s. This is your window into the past.

Aberdeen, Mount Joy Township maps

(10)
  1. 1908 Map of Middletown
    1908 Map of Middletown
    1908 Middletown
    1908 Print · USGS
    The Susquehanna River corridor thrives in the early 1900s as a hub for the Pennsylvania Railroad and the burgeoning industry of Lancaster and Dauphin counties. Researchers can trace the path of the Pennsylvania Canal (Abandoned) and locate family-named landmarks like Shocks Mills or Hoffer Church.
    7 unique versions available
  4. 1943 Map of Middletown
    1943 Map of Middletown
    1943 Middletown
    1943 Print · USGS
    As World War II mobilization reached its peak, this survey captures the Susquehanna River corridor as a vital industrial and rail artery. Genealogists and researchers can trace family landmarks like Donegal Springs Church, Codorus Furnace, and the early layout of Three Mile Island.
  7. 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.
  10. 1956 Map of Middletown, 1959 Print
    1956 Map of Middletown, 1959 Print
    1956 Middletown
    1959 Print · USGS
    The Susquehanna River corridor bustles with Cold War-era industry and riverside life in the mid-1950s. Genealogists and local researchers can trace family landmarks like Shenks Cem, identify regional education hubs such as Elizabethville College, or locate the sprawling Olmsted AFB.
    2 unique versions available
  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. 1964 Map of Elizabethtown, 1965 Print
    1964 Map of Elizabethtown, 1965 Print
    1964 Elizabethtown
    1965 Print · USGS
    Elizabethtown and the surrounding Lancaster and Dauphin County townships are captured here in the mid-1960s. Genealogists and historians can trace family-named sites and rural institutions like St Calvary Ch, Mt Tunnel Cem, and the Masonic Home.
    4 unique versions available
  25. 1984 Map of Harrisburg, 1985 Print
    1984 Map of Harrisburg, 1985 Print
    1984 Harrisburg
    1985 Print · USGS
    Central Pennsylvania in the mid-eighties shows a landscape defined by the winding Susquehanna River and the industrial growth of its river towns. Researchers can trace the rail corridors of Amtrak and Conrail or explore the bounds of Fort Indiantown Gap Military Reservation.
    2 unique versions available
  28. 1999 Map of Elizabethtown, 2001 Print
    1999 Map of Elizabethtown, 2001 Print
    1999 Elizabethtown
    2001 Print · USGS
    Elizabethtown and the fertile borderlands of Lancaster and Dauphin counties are shown here just before the turn of the millennium. Genealogists can trace family names and sites through Oberholtzer Cem, Masonic Sch, and rural villages like Bellaire.
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  • What are the different types of historical maps available for Aberdeen?
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