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1900s (20th Century) Maps of Adelaide, Dunbar Township

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

Adelaide, Dunbar Township maps

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  1. 1902 Map of Connellsville
    1902 Map of Connellsville
    1902 Connellsville
    1902 Print · USGS
    The Pennsylvania coke region comes alive at the turn of the century as a labyrinth of coal mines and competing rail lines. Researchers can trace the industrial footprint of Star Mines, explore the river landings along the Youghiogheny River, and find old junctions like Bells Mills.
    5 unique versions available
  4. 1931 Map of Connellsville, 1954 Print
    1931 Map of Connellsville, 1954 Print
    1931 Connellsville
    1954 Print · USGS
    Southwestern Pennsylvania's coal and rail heartland is meticulously detailed here in the early thirties. Local researchers can trace the industrial footprint of Star Mines, the sprawling rail yards of Connellsville, and rural landmarks like Bryner Ch and Mud Sch.
    2 unique versions available
  7. 1936 Map of Connellsville
    1936 Map of Connellsville
    1936 Connellsville
    1936 Print · USGS
    Southwestern Pennsylvania during the mid-1930s reveals a landscape of industrial power and rural community along the Youghiogheny River. Genealogists and historians can trace family roots through numerous named schools like Jefferson Sch and Gault Sch, or locate former industrial hubs at Star Mines and the Fairgrounds.
    3 unique versions available
  10. 1953 Map of Pittsburgh
    1953 Map of Pittsburgh
    1953 Pittsburgh
    1953 Print · USGS
    Western Pennsylvania's industrial landscape at the start of the fifties shows the steel and rail corridors between Pittsburgh and Altoona. Trace family roots in river towns like Tarentum or follow the Pennsylvania Turnpike across Laurel Hill.
  13. 1954 Map of Pittsburgh
    1954 Map of Pittsburgh
    1954 Pittsburgh
    1954 Print · USGS
    Western Pennsylvania in the early fifties remains a powerhouse of heavy industry and vital transit corridors. Genealogists and historians can trace the rail-and-river network connecting Pittsburgh, Johnstown, and Altoona via the Pennsylvania RR and the Lincoln Highway.
    2 unique versions available
  16. 1958 Map of Pittsburgh
    1958 Map of Pittsburgh
    1958 Pittsburgh
    1958 Print · USGS
    Western Pennsylvania in the late fifties shows an industrial heartland defined by the confluence of the Allegheny River and Monongahela River. Researchers can trace the sprawling rail networks of the Pennsylvania RR and find established towns like Butler, Latrobe, and Windber.
    5 unique versions available
  19. 1959 Map of Pittsburgh
    1959 Map of Pittsburgh
    1959 Pittsburgh
    1959 Print · USGS
    Western Pennsylvania in the late fifties is captured here at the height of its industrial era. Genealogists and historians can trace the riverfront growth of Pittsburgh, the rail works at Altoona, and the mountain gaps of Laurel Hill.
  22. 1964 Map of Pittsburgh
    1964 Map of Pittsburgh
    1964 Pittsburgh
    1964 Print · USGS
    Western Pennsylvania in the late fifties and early sixties shows a landscape of powerful river industries and expanding highways. Genealogists and historians can trace the rail corridors of the Pennsylvania RR through industrial hubs like Johnstown, Altoona, and Nanty Glo.
  25. 1964 Map of Connellsville, 1966 Print
    1964 Map of Connellsville, 1966 Print
    1964 Connellsville
    1966 Print · USGS
    Mid-century Fayette and Westmoreland Counties are defined here by a dense network of industrial rail lines and riverside towns. Genealogists and historians can trace the foundations of Connellsville, locate West Overton, and find landmarks like St Ritas Cem.
    5 unique versions available
  28. 1986 Map of Pittsburgh East
    1986 Map of Pittsburgh East
    1986 Pittsburgh East
    1986 Print · USGS
    Western Pennsylvania in the mid-eighties shows a landscape defined by industrial rivers and rising mountain ridges. Trace the dense rail networks of CONRAIL and the Pittsburgh and Lake Erie RR connecting historic centers like Monessen, Jeannette, and Connellsville.
    3 unique versions available
End of results
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  • What are the different types of historical maps available for Adelaide?
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