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1900s (20th Century) Maps of Mount Wilson, South Londonderry Township

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

Mount Wilson, South Londonderry Township maps

(11)
  1. 1924 Map of Hummelstown
    1924 Map of Hummelstown
    1924 Hummelstown
    1924 Print · USGS
    Covers Mount Wilson, including Hershey, Palmyra, and other nearby areas
  4. 1943 Map of Hummelstown
    1943 Map of Hummelstown
    1943 Hummelstown
    1943 Print · USGS
    Covers Mount Wilson, including Hershey, Palmyra, and other nearby areas
  7. 1947 Map of Palmyra
    1947 Map of Palmyra
    1947 Palmyra
    1947 Print · USGS
    Covers Mount Wilson, including Hershey, Palmyra, and other nearby areas
    2 unique versions available
  10. 1950 Map of Harrisburg, 1952 Print
    1950 Map of Harrisburg, 1952 Print
    1950 Harrisburg
    1952 Print · USGS
    Covers Mount Wilson, including Lancaster, Harrisburg, and other nearby areas
  13. 1956 Map of Hummelstown, 1958 Print
    1956 Map of Hummelstown, 1958 Print
    1956 Hummelstown
    1958 Print · USGS
    Covers Mount Wilson, including Hershey, Palmyra, and other nearby areas
    3 unique versions available
  16. 1957 Map of Harrisburg
    1957 Map of Harrisburg
    1957 Harrisburg
    1957 Print · USGS
    Covers Mount Wilson, including Lancaster, Harrisburg, and other nearby areas
    7 unique versions available
  19. 1961 Map of Harrisburg
    1961 Map of Harrisburg
    1961 Harrisburg
    1961 Print · USGS
    Covers Mount Wilson, including Lancaster, Harrisburg, and other nearby areas
    2 unique versions available
  22. 1964 Map of Harrisburg
    1964 Map of Harrisburg
    1964 Harrisburg
    1964 Print · USGS
    Covers Mount Wilson, including Lancaster, Harrisburg, and other nearby areas
  25. 1969 Map of Palmyra, 1972 Print
    1969 Map of Palmyra, 1972 Print
    1969 Palmyra
    1972 Print · USGS
    Covers Mount Wilson, including Hershey, Palmyra, and other nearby areas
    4 unique versions available
  28. 1977 Map of Palmyra, 1979 Print
    1977 Map of Palmyra, 1979 Print
    1977 Palmyra
    1979 Print · USGS
    Covers Mount Wilson, including Hershey, Palmyra, and other nearby areas
  31. 1984 Map of Harrisburg, 1985 Print
    1984 Map of Harrisburg, 1985 Print
    1984 Harrisburg
    1985 Print · USGS
    Covers Mount Wilson, including Lancaster, Harrisburg, and other nearby areas
    2 unique versions available
End of results
Showing maps 1-11 of 11

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Frequently asked questions

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