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1900s (20th Century) Maps of Hartley Township, Pennsylvania

Explore 27 historic maps of Hartley Township 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 Hartley Township'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 Hartley Township's history through authentic maps from the 1900s. This is your window into the past.

Hartley Township, PA maps

(27)
  1. 1921 Map of Williamsport
    1921 Map of Williamsport
    1921 Williamsport
    1921 Print · USGS
    Williamsport and the West Branch Susquehanna valley are captured here in the early 1920s, showing a landscape defined by rail corridors and steep mountain ridges. Genealogists can locate family-named schools and social landmarks like the Morgan Valley School, Nippono Park, and Shakespeare Club.
  4. 1923 Map of Williamsport
    1923 Map of Williamsport
    1923 Williamsport
    1923 Print · USGS
    Williamsport and the Susquehanna riverfront are captured here in the early twenties, showing a region defined by industrial rail lines and steep ridges. You can trace the path of the Pennsylvania Canal (Abandoned) or locate rural landmarks like Nippono Park and the Captain Greene Monument.
    6 unique versions available
  7. 1937 Map of Millheim
    1937 Map of Millheim
    1937 Millheim
    1937 Print · USGS
    The Seven Mountains region of central Pennsylvania is shown here in the late thirties, when rural valleys were tied together by narrow gaps. Researchers can locate family landmarks like Wolfs Chapel, Lose Sch, and vanished stopovers such as Wolfs Store.
  10. 1938 Map of Mifflinburg
    1938 Map of Mifflinburg
    1938 Mifflinburg
    1938 Print · USGS
    Central Pennsylvania valleys and ridges are captured here in the late thirties, showing the rural networks of Union and Snyder counties. Genealogists can trace family roots through numerous local schools like Gilbert Sch and settlements such as Troxelville or White Springs.
  13. 1941 Map of Millheim
    1941 Map of Millheim
    1941 Millheim
    1941 Print · USGS
    Central Pennsylvania's ridge-and-valley landscape is documented here just before the mid-century, showing a network of mountain gaps and small valley settlements. Researchers can locate family landmarks like Wolfs Chapel, the Hironimus Sch, and the BM Sawmill along the banks of Penns Creek.
    3 unique versions available
  16. 1943 Map of Mifflinburg
    1943 Map of Mifflinburg
    1943 Mifflinburg
    1943 Print · USGS
    Union and Snyder County communities are captured here in the years preceding World War II, revealing a landscape of ridge-top forests and valley farms. Genealogists can trace family roots through numerous country landmarks like Moyers Mill, Church of the Brethren, and the Lewis Cemetery.
  19. 1944 Map of Williamsport
    1944 Map of Williamsport
    1944 Williamsport
    1944 Print · USGS
    The West Branch Susquehanna River valley was a bustling corridor of industry and agriculture during the mid-forties. Researchers can trace the Pennsylvania RR through Linden Station or find rural schools like Riedy School and the Captain Greene Monument.
  22. 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.
  25. 1953 Map of Mifflinburg, 1955 Print
    1953 Map of Mifflinburg, 1955 Print
    1953 Mifflinburg
    1955 Print · USGS
    In the early fifties, the Union and Snyder county border reveals a landscape of ridge-top forests and valley towns. Genealogists can trace family names at Long Cem or Salem Ch and explore settlements like Mifflinburg and Middleburg.
    2 unique versions available
  28. 1953 Map of Williamsport, 1956 Print
    1953 Map of Williamsport, 1956 Print
    1953 Williamsport
    1956 Print · USGS
    The West Branch Susquehanna River corridor is shown in the early 1950s as a hub of rail and river industry. Genealogists can locate family landmarks from Nippono Park to Elimsport, alongside remote features like the Rauchtown Fire Tower.
    3 unique versions available
  31. 1954 Map of Williamsport
    1954 Map of Williamsport
    1954 Williamsport
    1954 Print · USGS
    North-central Pennsylvania in the mid-fifties is defined by the winding West Branch Susquehanna River and its industrial valley. Local historians can trace the massive Susquehanna Ordnance Depot and the extensive rail networks of the Pennsylvania Railroad.
  34. 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
  37. 1957 Map of Millheim, 1959 Print
    1957 Map of Millheim, 1959 Print
    1957 Millheim
    1959 Print · USGS
    The Pennsylvania Ridge-and-Valley landscape comes to life in the late 1950s, showing the intersection of rural agriculture and state forestry. Researchers can trace historic church sites like St Peters Ch or find recreation spots at Poe Valley State Park and Camp Hironimus.
    3 unique versions available
  40. 1960 Map of Williamsport
    1960 Map of Williamsport
    1960 Williamsport
    1960 Print · USGS
    North-central Pennsylvania in the mid-twentieth century was a vital corridor of rail and river industry stretching from the New York line to the coal regions. Genealogists can trace the rail networks of the Pennsylvania RR and Lehigh Valley RR connecting towns like Williamsport, Towanda, and Lock Haven.
  43. 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
  46. 1962 Map of Williamsport, 1966 Print
    1962 Map of Williamsport, 1966 Print
    1962 Williamsport
    1966 Print · USGS
    North-central Pennsylvania was a landscape of industrial river hubs and vast state woodlands in the early sixties. Researchers can trace the path of the Pennsylvania Railroad through Williamsport and explore the remote reaches of Bucktail State Park.
    5 unique versions available
  49. 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.
  52. 1965 Map of Williamsport
    1965 Map of Williamsport
    1965 Williamsport
    1965 Print · USGS
    North-central Pennsylvania in the mid-1960s is defined by the industrial river towns and vast timberlands of the Allegheny Plateau. Researchers can trace historic rail lines like the Erie Lackawanna and Reading as they thread through Williamsport, Lock Haven, and Jersey Shore.
  55. 1965 Map of Beavertown, 1966 Print
    1965 Map of Beavertown, 1966 Print
    1965 Beavertown
    1966 Print · USGS
    Snyder and Union Counties come into focus during the mid-sixties, showcasing a landscape of ridge-and-valley farming and forest. Researchers can locate family landmarks like Cedar Hill Cem, the Covered Bridge at Middle Creek, and the old Messiah Ch.
    3 unique versions available
  58. 1965 Map of Carroll, 1967 Print
    1965 Map of Carroll, 1967 Print
    1965 Carroll
    1967 Print · USGS
    Central Pennsylvania's ridge-and-valley terrain is captured here in the mid-1960s, showing the isolated communities of Carroll and Eastville. Researchers can locate family sites at the Sugar Valley Ch Cem or trace the old paths through McMurrin Gap and past the Mt Union Ch.
    4 unique versions available
  61. 1965 Map of Hartleton, 1967 Print
    1965 Map of Hartleton, 1967 Print
    1965 Hartleton
    1967 Print · USGS
    The heart of Union County in the mid-sixties reveals a landscape where state forests and small valley settlements meet. Researchers can find precise locations for the Laurelton State Village, the Western Area Sch, and a Covered Bridge crossing Penns Creek.
    2 unique versions available
  64. 1966 Map of Williamsport
    1966 Map of Williamsport
    1966 Williamsport
    1966 Print · USGS
    The Susquehanna Valley was a hub of transit and industry in the mid-seventies, where the river's West Branch connected major college towns and timberlands. Researchers can trace historical rail lines like the Reading or locate regional landmarks from Jersey Shore to Ricketts Glen State Park.
  67. 1968 Map of Woodward, 1971 Print
    1968 Map of Woodward, 1971 Print
    1968 Woodward
    1971 Print · USGS
    Pennsylvania’s central ridges are captured here in the late sixties, showing a landscape of state forest lands and narrow valley gaps. Researchers can locate small communities like Woodward and Livonia, or trace old paths and natural features such as Horse Path Spring and Wolfs Store Gap.
    3 unique versions available
  70. 1968 Map of Weikert, 1971 Print
    1968 Map of Weikert, 1971 Print
    1968 Weikert
    1971 Print · USGS
    Snyder and Union counties are defined by steep forested ridges and the winding path of Penns Creek in this late-sixties topographic study. Trace the local history of timber and recreation through sites like Weikert, Hironimus Ch, and Nik-O-Mahs Camp.
    2 unique versions available
  73. 1984 Map of State College, 1985 Print
    1984 Map of State College, 1985 Print
    1984 State College
    1985 Print · USGS
    Central Pennsylvania’s Ridge-and-Valley province is captured here in the mid-eighties, showing the deep connection between the mountain terrain and the region's historic settlements. Researchers can trace the layout of Pennsylvania State University and follow old rail corridors like the Bellefonte Historical RR and Conrail.
Showing maps 1-25 of 27

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Frequently asked questions

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