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Old Maps of Mammoth, Mount Pleasant Township

Explore 17 old maps of Mammoth, spanning from 1922 to today. These high-resolution historic maps reveal how streets, neighborhoods, landmarks, and natural features evolved over time — perfect for genealogy, metal detecting, research, and local history exploration.

What you can do with these maps:

  • See how Mammoth changed over time: Compare historical maps to modern-day views to trace roads, homesites, rail lines & more.
  • View detailed metadata: Each map includes creators, publishers, year, scale, and archive source.
  • Overlay maps with satellite & LiDAR: Visualize the past alongside modern tools to explore terrain & human change.
  • Trusted historical sources: Maps sourced from the USGS, Library of Congress, and other archives.
  • Access maps your way: View online, download high-res files, or order prints for personal or research use.

Start exploring old maps of Mammoth to uncover forgotten places, hidden landmarks, and the deep history beneath your feet.

Mammoth, Mount Pleasant Township maps

(17)
  1. 1922 Map of Donegal
    1922 Map of Donegal
    1922 Donegal
    1922 Print · USGS
    Westmoreland and Fayette counties are captured here in the early twenties, showing a landscape of mountain ridges and busy valley crossroads. Genealogists can trace family roots through dozens of rural landmarks like St Boniface Chapel, Hoods Mill, and the Snowball School.
    2 unique versions available
  4. 1935 Map of Donegal
    1935 Map of Donegal
    1935 Donegal
    1935 Print · USGS
    Westmoreland County communities are shown here in the 1930s, as coal towns and rural hamlets relied on a network of mountain rail lines and country schools. Genealogists can trace family roots through numerous sites like Stahlstown, the Mansville Post Office, and St Boniface Chapel.
    2 unique versions available
  7. 1944 Map of Donegal, 1945 Print
    1944 Map of Donegal, 1945 Print
    1944 Donegal
    1945 Print · USGS
    Westmoreland and Fayette Counties are shown in the 1940s just as the Pennsylvania Turnpike was changing the landscape. Genealogists and historians can trace dozens of rural schools and churches, from Stauffer Sch to St Boniface Chapel.
  10. 1953 Map of Pittsburgh
    1953 Map of Pittsburgh
    1953 Pittsburgh
    1953 Print · USGS
    Western Pennsylvania's industrial landscape at the start of the fifties shows the steel and rail corridors between Pittsburgh and Altoona. Trace family roots in river towns like Tarentum or follow the Pennsylvania Turnpike across Laurel Hill.
  13. 1954 Map of Pittsburgh
    1954 Map of Pittsburgh
    1954 Pittsburgh
    1954 Print · USGS
    Western Pennsylvania in the early fifties remains a powerhouse of heavy industry and vital transit corridors. Genealogists and historians can trace the rail-and-river network connecting Pittsburgh, Johnstown, and Altoona via the Pennsylvania RR and the Lincoln Highway.
    2 unique versions available
  16. 1957 Map of Donegal
    1957 Map of Donegal
    1957 Donegal
    1957 Print · USGS
    Westmoreland and Fayette counties are captured here in the late fifties, showing the rural communities along the western slopes of the Laurel Highlands. Genealogists can trace family roots through numerous local landmarks like Norvelt, the Baltimore and Ohio rail line, and the many rural schools including Hurst High School.
    2 unique versions available
  19. 1958 Map of Pittsburgh
    1958 Map of Pittsburgh
    1958 Pittsburgh
    1958 Print · USGS
    Western Pennsylvania in the late fifties shows an industrial heartland defined by the confluence of the Allegheny River and Monongahela River. Researchers can trace the sprawling rail networks of the Pennsylvania RR and find established towns like Butler, Latrobe, and Windber.
    5 unique versions available
  22. 1959 Map of Pittsburgh
    1959 Map of Pittsburgh
    1959 Pittsburgh
    1959 Print · USGS
    Western Pennsylvania in the late fifties is captured here at the height of its industrial era. Genealogists and historians can trace the riverfront growth of Pittsburgh, the rail works at Altoona, and the mountain gaps of Laurel Hill.
  25. 1964 Map of Pittsburgh
    1964 Map of Pittsburgh
    1964 Pittsburgh
    1964 Print · USGS
    Western Pennsylvania in the late fifties and early sixties shows a landscape of powerful river industries and expanding highways. Genealogists and historians can trace the rail corridors of the Pennsylvania RR through industrial hubs like Johnstown, Altoona, and Nanty Glo.
  28. 1967 Map of Mammoth, 1970 Print
    1967 Map of Mammoth, 1970 Print
    1967 Mammoth
    1970 Print · USGS
    Westmoreland County in the late sixties reveals a busy industrial landscape of coal mining towns and hilltop churches. Genealogists can trace family footprints through numerous local sites like Forty Mourners Ch, St Florian Sch, and the Fairground near Mutual.
    4 unique versions available
  31. 1986 Map of Pittsburgh East
    1986 Map of Pittsburgh East
    1986 Pittsburgh East
    1986 Print · USGS
    Western Pennsylvania in the mid-eighties shows a landscape defined by industrial rivers and rising mountain ridges. Trace the dense rail networks of CONRAIL and the Pittsburgh and Lake Erie RR connecting historic centers like Monessen, Jeannette, and Connellsville.
    3 unique versions available
  34. 1997 Map of Mammoth, 2000 Print
    1997 Map of Mammoth, 2000 Print
    1997 Mammoth
    2000 Print · USGS
    Westmoreland County at the close of the century shows a landscape transitioning from active coal extraction to recreation and residential life. Genealogists and local historians can locate early parish landmarks like St Lukes Cem, trace the Abandoned Railroad, and find local curiosities like the Drive-in Theater.
  37. 2010 Map of Mammoth, 2010 Print
    2010 Map of Mammoth, 2010 Print
    2010 Mammoth
    2010 Print · USGS
    Covers Mammoth, including Donegal Township, Mount Pleasant Township, and other nearby areas
  40. 2013 Map of Mammoth, 2013 Print
    2013 Map of Mammoth, 2013 Print
    2013 Mammoth
    2013 Print · USGS
    Covers Mammoth, including Donegal Township, Mount Pleasant Township, and other nearby areas
  43. 2016 Map of Mammoth, 2016 Print
    2016 Map of Mammoth, 2016 Print
    2016 Mammoth
    2016 Print · USGS
    Covers Mammoth, including Donegal Township, Mount Pleasant Township, and other nearby areas
  46. 2019 Map of Mammoth, 2019 Print
    2019 Map of Mammoth, 2019 Print
    2019 Mammoth
    2019 Print · USGS
    Covers Mammoth, including Donegal Township, Mount Pleasant Township, and other nearby areas
  49. 2023 Map of Mammoth, 2023 Print
    2023 Map of Mammoth, 2023 Print
    2023 Mammoth
    2023 Print · USGS
    Westmoreland and Fayette counties are captured here in the early 2020s, revealing a landscape defined by small valley settlements and high ridges. Genealogists can trace family roots through numerous burial sites like Lobingier Cem, Fairview Cem, and Hays Cem.
End of results
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