Old Maps of Unity Township, Pennsylvania for Metal Detecting

Plan your next treasure hunt with 65 historic maps of Unity Township. Find old homesites, ghost towns, trails, and gathering spots that may be lost to time — perfect for identifying promising metal detecting locations.

  • Locate forgotten sites: Uncover places like long-lost settlements, abandoned rail lines, or gathering spots.
  • Plan better hunts: Use map overlays combined with LiDAR or satellite views to narrow in on historically rich areas.
  • Made for detectorists: Thousands of hobbyists use these maps to discover relics, coins, and hidden history.

Use these historic maps to boost your research and find new opportunities beneath the surface of Unity Township.


Unity Township, PA maps

(65)
  1. 1900 Map of Latrobe, 1958 Print
    1900 Map of Latrobe, 1958 Print
    1900 Latrobe
    1958 Print · USGS
    The industrial heart of Westmoreland County is shown at a pivotal moment when the coal and coke industry was reshaping the land. Genealogists and historians can trace the early layouts of Latrobe, Derry, and Blairsville alongside company towns like Whitney and Baggaley.

  2. 1902 Map of Latrobe
    1902 Map of Latrobe
    1902 Latrobe
    1902 Print · USGS
    Westmoreland County at the opening of the twentieth century was a powerhouse of the American coal and coke industry. Genealogists and industrial historians can trace the early rail networks of the Main Line and locate landmark sites like the St Vincent Monastery and various Coke Ovens.

  3. 1902 Map of Connellsville
    1902 Map of Connellsville
    1902 Connellsville
    1902 Print · USGS
    The Pennsylvania coke region comes alive at the turn of the century as a labyrinth of coal mines and competing rail lines. Researchers can trace the industrial footprint of Star Mines, explore the river landings along the Youghiogheny River, and find old junctions like Bells Mills.
    5 unique versions available

  4. 1903 Map of Latrobe, 1905 Print
    1903 Map of Latrobe, 1905 Print
    1903 Latrobe
    1905 Print · USGS
    Westmoreland County at the turn of the century reveals a landscape defined by the arrival of heavy industry and the winding Conemaugh River. Genealogists can locate family landmarks from the Coke Ovens at Crabtree to the grounds of St. Vincent.
    6 unique versions available

  5. 1904 Map of Greensburg, 1963 Print
    1904 Map of Greensburg, 1963 Print
    1904 Greensburg
    1963 Print · USGS
    Westmoreland County at the dawn of the twentieth century was a landscape of industrial power and small-town growth. Genealogists can trace family footprints through Greensburg, find the Bulltown Schoolhouse, or follow the Pennsylvania Railroad through Jeannette and Manor.

  6. 1906 Map of Greensburg
    1906 Map of Greensburg
    1906 Greensburg
    1906 Print · USGS
    Westmoreland County at the height of its industrial growth is detailed here, showing a landscape defined by coal, glass, and rail. Researchers can trace ancestral roots at the Bulltown Schoolhouse or follow the early trolley and rail lines through Jeannette and Export.
    6 unique versions available

  7. 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

  8. 1931 Map of Connellsville, 1954 Print
    1931 Map of Connellsville, 1954 Print
    1931 Connellsville
    1954 Print · USGS
    Southwestern Pennsylvania's coal and rail heartland is meticulously detailed here in the early thirties. Local researchers can trace the industrial footprint of Star Mines, the sprawling rail yards of Connellsville, and rural landmarks like Bryner Ch and Mud Sch.
    2 unique versions available

  9. 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

  10. 1936 Map of Connellsville
    1936 Map of Connellsville
    1936 Connellsville
    1936 Print · USGS
    Southwestern Pennsylvania during the mid-1930s reveals a landscape of industrial power and rural community along the Youghiogheny River. Genealogists and historians can trace family roots through numerous named schools like Jefferson Sch and Gault Sch, or locate former industrial hubs at Star Mines and the Fairgrounds.
    3 unique versions available

  11. 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.

  12. 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

  14. 1954 Map of Greensburg, 1955 Print
    1954 Map of Greensburg, 1955 Print
    1954 Greensburg
    1955 Print · USGS
    Mid-century Westmoreland County shows a landscape of growing towns and industrial remnants as the coal era matured. Trace the layout of early suburbs and vanished schools like Hayrolds Jr High Sch or visit Bushy Run Battlefield State Park.
    4 unique versions available

  15. 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

  16. 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

  17. 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.

  18. 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.

  19. 1964 Map of Latrobe, 1965 Print
    1964 Map of Latrobe, 1965 Print
    1964 Latrobe
    1965 Print · USGS
    Latrobe and its surrounding coal-patch towns are captured here in the mid-1960s during a peak of industrial and institutional activity. Trace the rail lines and mine sites that built towns like Hostetter and Luxor, or locate family sites near St Vincent College.
    5 unique versions available

  20. 1964 Map of Mount Pleasant, 1965 Print
    1964 Map of Mount Pleasant, 1965 Print
    1964 Mount Pleasant
    1965 Print · USGS
    Mid-century Westmoreland County is defined here by its dense network of coal patches, rail lines, and manufacturing hubs. Genealogists can trace family roots through numerous small communities like Rufis Dale, Hecla, and Armbrust, or locate ancestral plots in the Polish Cemetery.
    5 unique versions available

  21. 1964 Map of Saltsburg, 1966 Print
    1964 Map of Saltsburg, 1966 Print
    1964 Saltsburg
    1966 Print · USGS
    Indiana and Westmoreland Counties during the mid-sixties show a landscape of heavy industry and civil engineering at the junction of two great rivers. Trace the impact of the Loyalhanna Dam on the terrain near Saltsburg and find historic sites like Union Cem and Tunnelton.
    3 unique versions available

  22. 1964 Map of Derry, 1966 Print
    1964 Map of Derry, 1966 Print
    1964 Derry
    1966 Print · USGS
    Derry and Latrobe are shown in the mid-1960s during a period of heavy industrial activity and coal mining. Researchers can locate family landmarks such as St Martins Ch, Sacred Heart Sch, and numerous coal works including Coke Ovens and strip mines.
    4 unique versions available

  23. 1967 Map of Stahlstown, 1970 Print
    1967 Map of Stahlstown, 1970 Print
    1967 Stahlstown
    1970 Print · USGS
    Stahlstown and the rural valleys of Westmoreland County are captured here in the late sixties, showing a landscape shaped by ridge-line agriculture and the Pennsylvania Toll Road. Genealogists can trace family landmarks like Snowball Cem, the Enoch Stahl Sch, and Weaver Mill.
    5 unique versions available

  24. 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

  25. 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

Showing maps 1-25 of 65

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Frequently asked questions

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