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Old Maps of Treharris, Merthyr Tydfil for Academic Research

Study the evolution of Treharris with 15 high-resolution historic maps. Whether you're teaching, researching, or modeling changes in land use, these maps provide essential visual documentation of urban, environmental, and geographic change.

  • Analyze long-term change: Track patterns in development, transportation, and natural features.
  • Ideal for environmental or urban studies: Support academic projects with primary historical map data.
  • Use in the classroom or lab: Educators and researchers rely on these maps to bring historical context to life.

These maps are a powerful tool for teaching, research, and visualizing how Treharris has changed over the decades.

Treharris, Merthyr Tydfil maps

(15)
  1. 1868 Map of Glamorgan XIX, 1884 Print
    1868 Map of Glamorgan XIX, 1884 Print
    1868 Glamorgan XIX
    1884 Print · Ordnance Survey
    Covers Treharris, including Mountain Ash, Abercynon, and other nearby areas
  4. 1898 Map of Glamorgan XIX.NE, 1901 Print
    1898 Map of Glamorgan XIX.NE, 1901 Print
    1898 Glamorgan XIX.NE
    1901 Print · Ordnance Survey
    Covers Treharris, including Darran Valley, Gelligaer, and other nearby areas
  7. 1898 Map of Glamorgan XIX.SE, 1901 Print
    1898 Map of Glamorgan XIX.SE, 1901 Print
    1898 Glamorgan XIX.SE
    1901 Print · Ordnance Survey
    Covers Treharris, including Abercynon, Nelson, and other nearby areas
  10. 1898 Map of Glamorgan XIX.SW, 1901 Print
    1898 Map of Glamorgan XIX.SW, 1901 Print
    1898 Glamorgan XIX.SW
    1901 Print · Ordnance Survey
    Covers Treharris, including Abercynon, Mountain Ash East, and other nearby areas
  13. 1914 Map of Glamorgan XIX.SW, 1921 Print
    1914 Map of Glamorgan XIX.SW, 1921 Print
    1914 Glamorgan XIX.SW
    1921 Print · Ordnance Survey
    Covers Treharris, including Abercynon, Mountain Ash East, and other nearby areas
  16. 1914 Map of Glamorgan XIX.NW, 1921 Print
    1914 Map of Glamorgan XIX.NW, 1921 Print
    1914 Glamorgan XIX.NW
    1921 Print · Ordnance Survey
    Covers Treharris, including Mountain Ash, Fernhill, and other nearby areas
  19. 1914 Map of Glamorgan XIX.NE, 1921 Print
    1914 Map of Glamorgan XIX.NE, 1921 Print
    1914 Glamorgan XIX.NE
    1921 Print · Ordnance Survey
    Covers Treharris, including Darran Valley, Gelligaer, and other nearby areas
  22. 1914 Map of Glamorgan XIX.SE, 1921 Print
    1914 Map of Glamorgan XIX.SE, 1921 Print
    1914 Glamorgan XIX.SE
    1921 Print · Ordnance Survey
    Covers Treharris, including Abercynon, Nelson, and other nearby areas
  25. 1914 Map of Glamorgan XIX, 1922 Print
    1914 Map of Glamorgan XIX, 1922 Print
    1914 Glamorgan XIX
    1922 Print · Ordnance Survey
    Covers Treharris, including Mountain Ash, Abercynon, and other nearby areas
  28. 1938 Map of Glamorgan XIX.SW, 1947 Print
    1938 Map of Glamorgan XIX.SW, 1947 Print
    1938 Glamorgan XIX.SW
    1947 Print · Ordnance Survey
    Covers Treharris, including Abercynon, Mountain Ash East, and other nearby areas
  31. 1938 Map of Glamorgan XIX.NE, 1947 Print
    1938 Map of Glamorgan XIX.NE, 1947 Print
    1938 Glamorgan XIX.NE
    1947 Print · Ordnance Survey
    Covers Treharris, including Darran Valley, Gelligaer, and other nearby areas
  34. 1938 Map of Glamorgan XIX.SE, 1947 Print
    1938 Map of Glamorgan XIX.SE, 1947 Print
    1938 Glamorgan XIX.SE
    1947 Print · Ordnance Survey
    Covers Treharris, including Abercynon, Nelson, and other nearby areas
  37. 1945 Map of Glamorgan XIX.NE, 1951 Print
    1945 Map of Glamorgan XIX.NE, 1951 Print
    1945 Glamorgan XIX.NE
    1951 Print · Ordnance Survey
    Covers Treharris, including Darran Valley, Gelligaer, and other nearby areas
  40. 1948 Map of Glamorgan XIX.SW, 1953 Print
    1948 Map of Glamorgan XIX.SW, 1953 Print
    1948 Glamorgan XIX.SW
    1953 Print · Ordnance Survey
    Covers Treharris, including Abercynon, Mountain Ash East, and other nearby areas
  43. 1948 Map of Glamorgan XIX.SE, 1953 Print
    1948 Map of Glamorgan XIX.SE, 1953 Print
    1948 Glamorgan XIX.SE
    1953 Print · Ordnance Survey
    Covers Treharris, including Abercynon, Nelson, and other nearby areas
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