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

Explore 11 historic maps of Union 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 Union 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 Union Township's history through authentic maps from the 1900s. This is your window into the past.


Union Township, PA maps

(11)
  1. 1924 Map of Brookville, 1957 Print
    1924 Map of Brookville, 1957 Print
    1924 Brookville
    1957 Print · USGS
    Covers Union Township, including Brookville, Limestone Township, and other nearby areas
    2 unique versions available

  2. 1926 Map of Brookville
    1926 Map of Brookville
    1926 Brookville
    1926 Print · USGS
    Covers Union Township, including Brookville, Limestone Township, and other nearby areas
    3 unique versions available

  3. 1944 Map of Brookville
    1944 Map of Brookville
    1944 Brookville
    1944 Print · USGS
    Covers Union Township, including Brookville, Limestone Township, and other nearby areas

  4. 1949 Map of Brookville
    1949 Map of Brookville
    1949 Brookville
    1949 Print · USGS
    Covers Union Township, including Brookville, Limestone Township, and other nearby areas

  5. 1957 Map of Warren, 1964 Print
    1957 Map of Warren, 1964 Print
    1957 Warren
    1964 Print · USGS
    Covers Union Township, including Saint Marys, Sandy Township, and other nearby areas
    4 unique versions available

  6. 1958 Map of Warren
    1958 Map of Warren
    1958 Warren
    1958 Print · USGS
    Covers Union Township, including Saint Marys, Sandy Township, and other nearby areas

  7. 1959 Map of Warren
    1959 Map of Warren
    1959 Warren
    1959 Print · USGS
    Covers Union Township, including Saint Marys, Sandy Township, and other nearby areas
    2 unique versions available

  8. 1969 Map of Corsica, 1972 Print
    1969 Map of Corsica, 1972 Print
    1969 Corsica
    1972 Print · USGS
    Covers Union Township, including Limestone Township, Corsica, and other nearby areas
    4 unique versions available

  9. 1969 Map of Brookville, 1972 Print
    1969 Map of Brookville, 1972 Print
    1969 Brookville
    1972 Print · USGS
    Covers Union Township, including Brookville, Warsaw Township, and other nearby areas
    3 unique versions available

  10. 1971 Map of Warren
    1971 Map of Warren
    1971 Warren
    1971 Print · USGS
    Covers Union Township, including Saint Marys, Sandy Township, and other nearby areas

  11. 1983 Map of Oil City, 1984 Print
    1983 Map of Oil City, 1984 Print
    1983 Oil City
    1984 Print · USGS
    Covers Union Township, including Oil City, Cranberry Township, and other nearby areas

End of results
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Frequently asked questions

  • What are the different types of historical maps available for Union Township?
  • What is the oldest map of Union Township?
  • Where can I purchase historical maps of Union Township for my home or office?
  • Where can I download high-res historical maps of Union Township?
  • Are there historical topographic maps available for Union Township?
  • Is there historical aerial imagery available for Union Township?
  • Where are historical maps of Union Township sourced from?

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