1900s (20th Century) Maps of Palmdale, Derry Township

1. 1924 Map of Hummelstown

   

   1924 Hummelstown

   1924 Print · USGS

   Dauphin and Lebanon Counties in the mid-twenties show a landscape defined by mountain gaps and the reach of the Philadelphia and Reading Railroad. Researchers can trace historic church sites like Walmers Church, early industries at Union Waterworks, and vanished rail stops like Cold Spring.

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4. 1943 Map of Hummelstown

   

   1943 Hummelstown

   1943 Print · USGS

   Dauphin and Lebanon counties appear here during the Second World War as military and industrial growth transformed the countryside. Researchers can trace family landmarks and rural infrastructure, from Moonshine Ch and Union Deposit to the Hershey Zoo.

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7. 1947 Map of Palmyra

   

   1947 Palmyra

   1947 Print · USGS

   Lebanon County towns and rural school districts are captured here in the late 1940s as they grew along the Reading railroad. Researchers can trace ancestral locations through numerous named sites like Gravel Hill Church, Meyersville School, and Palmyra Cemetery.

   2 unique versions available

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10. 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.

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13. 1956 Map of Hummelstown, 1958 Print

    

    1956 Hummelstown

    1958 Print · USGS

    Dauphin and Lebanon Counties are shown in the mid-1950s as the chocolate industry and military training shaped the local landscape. Genealogists and historians can trace family roots through labeled landmarks like Balsbaugh Ch, Harper Tavern, and the Manada Furnace.

    3 unique versions available

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16. 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

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19. 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

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22. 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.

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25. 1969 Map of Palmyra, 1972 Print

    

    1969 Palmyra

    1972 Print · USGS

    Lebanon County is captured in a period of steady growth as the industrial corridor between Palmyra and Annville hums with activity. Researchers can trace historic family landmarks from the Union Canal ruins to Mount Annville Cem and Brindagles Ch.

    4 unique versions available

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28. 1977 Map of Palmyra, 1979 Print

    

    1977 Palmyra

    1979 Print · USGS

    Central Pennsylvania's agricultural heartland is revealed in the late seventies, showing the growing footprint of Palmyra. Genealogists and historians can trace property lines and field patterns near Campbelltown or along the banks of Swatara Creek.

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31. 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

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