Old Maps of Union Township, Pennsylvania for Academic Research
Study the evolution of Union Township with 37 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 Union Township has changed over the decades.
Union Township, PA maps
(37)- 1901 Map of Amity, 1956 Print
1901 Amity1956 Print · USGSWashington County at the turn of the century shows a landscape transitioning between historic pikes and the burgeoning rail era. Researchers can trace ancestral property near Tenmile Creek or follow the route of the National Pike through Laboratory and Zediker. - 1902 Map of Brownsville
1902 Brownsville1902 Print · USGSThe Monongahela Valley was a powerhouse of Pennsylvania industry at the start of the twentieth century, defined by its coal mines and river-front rail lines. Researchers can trace the heritage of the National Pike and locate vanished works at Vesta Mine or Coal Bluff. - 1904 Map of Amity
1904 Amity1904 Print · USGSWashington County at the start of the twentieth century was a bustling nexus of rail and road, centered on the growing city of WASHINGTON. Researchers can trace early property lines and rail stops like Meadowlands, Laboratory, and the Pittsburg and Washington Turnpike.6 unique versions available - 1904 Map of Mc Keesport
1904 Mc Keesport1904 Print · USGSAllegheny County at the height of its industrial era reveals a landscape of massive rail yards and riverfront steel towns. Genealogists can trace family roots through dense neighborhoods in Homestead, Wilkinsburg, and Braddock or locate ancestral plots in Homewood Cem.2 unique versions available - 1904 Map of Carnegie, 1954 Print
1904 Carnegie1954 Print · USGSAllegheny County's industrial heartland is captured here at the start of the twentieth century as rail lines and mines reshaped the landscape. Researchers can trace early settlements and social hubs like Cliff Mine, the County Home, and the Union Church. - 1906 Map of Brownsville
1906 Brownsville1906 Print · USGSSouthwestern Pennsylvania’s river valleys were centers of industrial expansion when this survey was conducted. Genealogists can locate family homes and landmarks in riverfront towns like Monessen and Charleroi, or trace rural roots near Salem Church and Ginger Hill.4 unique versions available - 1906 Map of Carnegie
1906 Carnegie1906 Print · USGSThe industrial valleys of Western Pennsylvania come alive in the early 1900s, showing the early infrastructure of the Ohio River and its tributaries. Local historians can trace family roots at Union Church or explore the early coal economy at Cliff Mine and Walkers Mills.7 unique versions available - 1907 Map of Pittsburg
1907 Pittsburg1907 Print · USGSSteel-industry heartlands and river-valley rail corridors define the Pittsburgh region in the early nineteen-hundreds. Trace the complex rail networks of the Union RR and Pennsylvania RR through industrial hubs like Homestead and Wilmerding.10 unique versions available - 1908 Map of Carnegie, 1910 Print
1908 Carnegie1910 Print · USGSSouthwest of the Pittsburgh river forks in the early 1900s, a complex web of railroads and industrial hollows began to link the rural coal and mill towns. Trace the paths of the Wabash and Side Belt lines past landmarks like Cliff Mine, Guy Mills, and Treveskyn Cuddy PO. - 1931 Map of Brownsville, 1954 Print
1931 Brownsville1954 Print · USGSThe industrial Monongahela and Youghiogheny river valleys are captured here in the early thirties, showcasing a landscape of coal mines and river locks. Genealogists can trace family homes near Vesta Mine, Sutersville, and rural landmarks like Salem Church. - 1933 Map of Brownsville
1933 Brownsville1933 Print · USGSWestern Pennsylvania’s industrial heartland thrives along the river bends in the early thirties, where coal and rail define the landscape. Trace the expansion of river towns like Charleroi and Monessen, locate the Vesta Mine, or find rural landmarks like Mt Union Sch.2 unique versions available - 1940 Map of Brownsville
1940 Brownsville1940 Print · USGSThe Monongahela and Youghiogheny river valleys were the industrial heart of Pennsylvania during this era of coal and steel. Genealogists and historians can trace the exact locations of Vesta Mine, Salem Church, and historic rural schools like Central Sch. - 1951 Map of Canton
1951 Canton1951 Print · USGSThe industrial heartland of Ohio and Pennsylvania reached its mid-century peak during this era of heavy rail and river transit. Genealogists and historians can trace the development of steel towns like Aliquippa and Weirton alongside the Ohio River and major lines of the Pennsylvania RR. - 1953 Map of Pittsburgh
1953 Pittsburgh1953 Print · USGSWestern 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. - 1953 Map of Canton
1953 Canton1953 Print · USGSThe industrial heartland of Ohio and Pennsylvania is captured at its mid-century peak in this detailed regional survey. Genealogists and historians can trace the vast rail networks of the Pennsylvania RR and find local landmarks like Nimisila Reservoir and Tappan Reservoir. - 1953 Map of Bridgeville, 1955 Print
1953 Bridgeville1955 Print · USGSAllegheny and Washington Counties were transitioning from a mining economy to a suburban landscape in the early fifties. Genealogists and historians can trace family roots through the Melrose Cem, identify old industrial sites like Hickman Shafts, or locate the Mayer Airport. - 1953 Map of Glassport, 1955 Print
1953 Glassport1955 Print · USGSThe industrial Monongahela Valley and its burgeoning suburbs are detailed here during the mid-fifties. Trace the rail-and-river network through Glassport or find family landmarks like Cochrans Mill, St Peters Ch, and Memorial Cemetery. - 1953 Map of Hackett, 1955 Print
1953 Hackett1955 Print · USGSWashington County coal and gas country is captured here in the mid-fifties as the local economy revolved around mining and the rail. Genealogists and historians can trace the foundations of Bentleyville and find rural landmarks like Munntown Cem and Edwards Chapel.6 unique versions available - 1954 Map of Pittsburgh
1954 Pittsburgh1954 Print · USGSWestern 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 - 1954 Map of Monongahela, 1955 Print
1954 Monongahela1955 Print · USGSIndustrial life along the river valley is captured here in the mid-fifties, showing the deep integration of coal mining and rail transport. Researchers can locate family landmarks from the Black Diamond Mine to the Mentor School and Ohav Sholom Cem.4 unique versions available - 1957 Map of Canton, 1971 Print
1957 Canton1971 Print · USGSThe industrial heartland of eastern Ohio and western Pennsylvania comes alive in this mid-century survey of the Ohio River Valley. Trace the heritage of rail and river commerce through Pittsburgh, the massive steel towns along the Ohio River, and major junctions on the Pennsylvania RR.3 unique versions available - 1958 Map of Pittsburgh
1958 Pittsburgh1958 Print · USGSWestern 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 - 1959 Map of Pittsburgh
1959 Pittsburgh1959 Print · USGSWestern 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. - 1960 Map of Bridgeville, 1961 Print
1960 Bridgeville1961 Print · USGSAllegheny and Washington counties are captured at a peak of suburban growth in the early sixties. Genealogists and local historians can trace the foundations of Castle Shannon and Bridgeville, or locate family sites near St Casimir Cem and Mayview State Hospital.6 unique versions available - 1960 Map of Glassport, 1961 Print
1960 Glassport1961 Print · USGSThe industrial Monongahela Valley comes alive in this 1960s survey, showing the peak of the rail-and-river economy from Mc Keesport to Elizabeth. Genealogists and historians can trace family sites at Cochrans Mill, Snowden, and the Jefferson Mem Cem.4 unique versions available
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Frequently asked questions
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