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

Explore 9 historic maps of Port Trevorton 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 Port Trevorton'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 Port Trevorton's history through authentic maps from the 1900s. This is your window into the past.


Port Trevorton, Union Township maps

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  1. 1943 Map of Millersburg
    1943 Map of Millersburg
    1943 Millersburg
    1943 Print · USGS
    Dauphin and Northumberland counties appear here during the mid-1940s, defined by the river-and-rail economy along the Susquehanna River. Researchers can trace the heritage of small valley towns through landmarks like St Johns Church, Morning Glory School, and the Limestone Quarries.

  2. 1947 Map of Pillow
    1947 Map of Pillow
    1947 Pillow
    1947 Print · USGS
    The river and ridge country of Dauphin and Northumberland Counties comes alive in this post-war survey. Genealogists can trace family roots through numerous local landmarks like Withers School, St Pauls Church, and the riverfront at Port Trevorton.
    3 unique versions available

  3. 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.

  4. 1953 Map of Millersburg, 1956 Print
    1953 Map of Millersburg, 1956 Print
    1953 Millersburg
    1956 Print · USGS
    Central Pennsylvania's river valleys and mountain ridges are captured here during the early fifties, showing a landscape defined by the Susquehanna River. Researchers can locate vanished landmarks like the Abandoned Canal, the Oakdale Sta, and numerous country schools including Keiters Sch.
    3 unique versions available

  5. 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

  6. 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

  7. 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.

  8. 1969 Map of Pillow, 1972 Print
    1969 Map of Pillow, 1972 Print
    1969 Pillow
    1972 Print · USGS
    The Susquehanna River and its many islands meet the ridge-and-valley terrain of central Pennsylvania in the late sixties. Genealogists and local historians can trace the rural landscape between Pillow and Port Trevorton, locating Salem Ch, the Penn Central line, and traditional Covered Bridge crossings.
    2 unique versions available

  9. 1984 Map of Sunbury, 1985 Print
    1984 Map of Sunbury, 1985 Print
    1984 Sunbury
    1985 Print · USGS
    Pennsylvania coal country and the Susquehanna valley appear here in the early eighties, showcasing a landscape defined by industrial ridges and river towns. Genealogists and historians can trace rail corridors like Conrail and explore mountain settlements from Mahanoy City to Elizabethville.
    2 unique versions available

End of results
Showing maps 1-9 of 9

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