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1900s (20th Century) Maps of Seneca, Oregon

Explore 6 historic maps of Seneca 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 Seneca'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 Seneca's history through authentic maps from the 1900s. This is your window into the past.

Seneca, OR maps

(6)
  1. 1955 Map of Canyon City, 1966 Print
    1955 Map of Canyon City, 1966 Print
    1955 Canyon City
    1966 Print · USGS
    Covers Seneca, including John Day, Prairie City, and other nearby areas
    4 unique versions available
  4. 1959 Map of Canyon City
    1959 Map of Canyon City
    1959 Canyon City
    1959 Print · USGS
    Covers Seneca, including John Day, Prairie City, and other nearby areas
    2 unique versions available
  7. 1961 Map of Seneca, 1963 Print
    1961 Map of Seneca, 1963 Print
    1961 Seneca
    1963 Print · USGS
    Covers Seneca, including Silvies, Grant County, and other nearby areas
    2 unique versions available
  10. 1978 Map of John Day, 1997 Print
    1978 Map of John Day, 1997 Print
    1978 John Day
    1997 Print · USGS
    Covers Seneca, including John Day, Prairie City, and other nearby areas
    2 unique versions available
  13. 1990 Map of Seneca
    1990 Map of Seneca
    1990 Seneca
    1990 Print · USGS
    Covers Seneca, including Grant County, United States, and other nearby areas
  16. 1998 Map of Seneca, 2000 Print
    1998 Map of Seneca, 2000 Print
    1998 Seneca
    2000 Print · USGS
    Covers Seneca, including Grant County, United States, and other nearby areas
End of results
Showing maps 1-6 of 6

Frequently asked questions

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

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