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1900s (20th Century) Maps of Union, Maine

Explore 18 historic maps of Union 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'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's history through authentic maps from the 1900s. This is your window into the past.

Union, ME maps

(18)
  1. 1904 Map of Rockland, 1961 Print
    1904 Map of Rockland, 1961 Print
    1904 Rockland
    1961 Print · USGS
    Covers Union, including Rockland, Warren, and other nearby areas
  4. 1906 Map of Rockland
    1906 Map of Rockland
    1906 Rockland
    1906 Print · USGS
    Covers Union, including Rockland, Warren, and other nearby areas
    7 unique versions available
  7. 1913 Map of Waldoboro
    1913 Map of Waldoboro
    1913 Waldoboro
    1913 Print · USGS
    Covers Union, including Warren, Bristol, and other nearby areas
    2 unique versions available
  10. 1915 Map of Waldoboro
    1915 Map of Waldoboro
    1915 Waldoboro
    1915 Print · USGS
    Covers Union, including Warren, Bristol, and other nearby areas
    5 unique versions available
  13. 1916 Map of Liberty
    1916 Map of Liberty
    1916 Liberty
    1916 Print · USGS
    Covers Union, including China, Jefferson, and other nearby areas
    6 unique versions available
  16. 1941 Map of Rockland
    1941 Map of Rockland
    1941 Rockland
    1941 Print · USGS
    Covers Union, including Rockland, Warren, and other nearby areas
  19. 1941 Map of Waldoboro
    1941 Map of Waldoboro
    1941 Waldoboro
    1941 Print · USGS
    Covers Union, including Warren, Bristol, and other nearby areas
  22. 1942 Map of Liberty
    1942 Map of Liberty
    1942 Liberty
    1942 Print · USGS
    Covers Union, including China, Jefferson, and other nearby areas
  25. 1948 Map of Bangor
    1948 Map of Bangor
    1948 Bangor
    1948 Print · USGS
    Covers Union, including Bangor, Augusta, and other nearby areas
  28. 1950 Map of Liberty
    1950 Map of Liberty
    1950 Liberty
    1950 Print · USGS
    Covers Union, including China, Jefferson, and other nearby areas
  31. 1950 Map of Waldoboro
    1950 Map of Waldoboro
    1950 Waldoboro
    1950 Print · USGS
    Covers Union, including Warren, Bristol, and other nearby areas
  34. 1955 Map of West Rockport, 1959 Print
    1955 Map of West Rockport, 1959 Print
    1955 West Rockport
    1959 Print · USGS
    Covers Union, including Rockland, Warren, and other nearby areas
    5 unique versions available
  37. 1956 Map of Bangor, 1966 Print
    1956 Map of Bangor, 1966 Print
    1956 Bangor
    1966 Print · USGS
    Covers Union, including Bangor, Augusta, and other nearby areas
    3 unique versions available
  40. 1960 Map of Bangor
    1960 Map of Bangor
    1960 Bangor
    1960 Print · USGS
    Covers Union, including Bangor, Augusta, and other nearby areas
  43. 1961 Map of Bangor
    1961 Map of Bangor
    1961 Bangor
    1961 Print · USGS
    Covers Union, including Bangor, Augusta, and other nearby areas
  46. 1961 Map of Washington, 1964 Print
    1961 Map of Washington, 1964 Print
    1961 Washington
    1964 Print · USGS
    Covers Union, including Washington, Searsmont, and other nearby areas
    3 unique versions available
  49. 1965 Map of Union, 1967 Print
    1965 Map of Union, 1967 Print
    1965 Union
    1967 Print · USGS
    Covers Union, including Warren, Hope, and other nearby areas
    4 unique versions available
  52. 1984 Map of Augusta
    1984 Map of Augusta
    1984 Augusta
    1984 Print · USGS
    Covers Union, including Augusta, Topsham, 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?
  • What is the oldest map of Union?
  • Where can I purchase historical maps of Union for my home or office?
  • Where can I download high-res historical maps of Union?
  • Are there historical topographic maps available for Union?
  • Is there historical aerial imagery available for Union?
  • Where are historical maps of Union sourced from?