1900s (20th Century) Maps of Addison, Somerset County
Explore 19 historic maps of Addison 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 Addison'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 Addison's history through authentic maps from the 1900s. This is your window into the past.
Addison, Somerset County maps
(19)- 1900 Map of Accident
1900 Accident1900 Print · USGSGarrett County highlands at the turn of the century reveal a landscape of mountain settlements and river-valley industry. Genealogists can trace family roots through the Blooming Rose Settlement, early milling sites like Speelman Mills, and the Baltimore and Ohio RR corridor.6 unique versions available - 1922 Map of Confluence
1922 Confluence1922 Print · USGSThe confluence of the Youghiogheny River and Casselman River was a major rail and river hub in the 1920s. Genealogists and local historians can trace the foundations of many small settlements and mountain schools, from Ohiopyle to the Baldwin Mine and Wesley Chapel.3 unique versions available - 1931 Map of Confluence, 1958 Print
1931 Confluence1958 Print · USGSThe Laurel Highlands at the start of the 1930s reveal a landscape of deep river valleys and high ridges defined by coal mining and heavy rail. Genealogists can trace family names through dozens of rural sites like Sands Church, Somerfield, and the Mary Ann Mine.2 unique versions available - 1933 Map of Confluence
1933 Confluence1933 Print · USGSThe Laurel Highlands during the early 1930s come into focus through the river networks of Fayette and Somerset counties. Trace family roots at Paddytown or Somerfield, and locate long-gone schoolhouses such as Clay Run School and the Mary Ann Mine.2 unique versions available - 1947 Map of Accident, 1982 Print
1947 Accident1982 Print · USGSMaryland's high plateau comes into focus at the middle of the century, centered on the historic National Road and the uniquely named town of Accident. Genealogists and local historians can trace family-named landmarks like Kaese Mill, Sausman Mine, and several rural Cem locations throughout the Bear Creek valley.2 unique versions available - 1948 Map of Cumberland
1948 Cumberland1948 Print · USGSMid-century Appalachia and the Shenandoah Valley are shown in detail, documenting the industrial and transportation hubs of the tri-state area. Genealogists can trace family roots through settlements like Double Tollgate and Bunker Hill or along the Baltimore & Ohio RR.3 unique versions available - 1948 Map of Accident, 1966 Print
1948 Accident1966 Print · USGSGarrett County's high ridges and small mountain communities are captured here in the late 1940s as the regional timber and milling economy thrived. Researchers can trace historic family locations like Turney Cem, local industry at the Swanton Mine, and early transport along the National Pike.2 unique versions available - 1949 Map of Accident
1949 Accident1949 Print · USGSThe Maryland-Pennsylvania borderlands near Accident are captured here in the late 1940s, showing a rural landscape of ridges and milling sites. Genealogists and historians can trace local family landmarks like Turney Cem, the Rich Sch, and old industry at Kaese Mill.2 unique versions available - 1952 Map of Cumberland
1952 Cumberland1952 Print · USGSThe Potomac Highlands and the Shenandoah Valley are revealed in this early 1950s survey of the Appalachian interior. Researchers can trace the river-and-rail corridors connecting Cumberland, Winchester, and the recreational waters of Deep Creek Lake. - 1956 Map of Cumberland, 1966 Print
1956 Cumberland1966 Print · USGSThe tri-state Highlands in the mid-1950s show a landscape shaped by coal, timber, and the massive presence of the Baltimore & Ohio RR. Researchers can trace the industrial corridor from Cumberland through the Allegheny Mountains to mountain retreats like Deep Creek Lake.6 unique versions available - 1957 Map of Cumberland
1957 Cumberland1957 Print · USGSThe Potomac River valley and the ridges of the Allegheny Front define this mid-century landscape at the intersection of Maryland, West Virginia, and Pennsylvania. Trace the steam-era rail lines of the Baltimore and Ohio RR or locate rural landmarks like St Stephens Church and Stony River Dam. - 1961 Map of Cumberland
1961 Cumberland1961 Print · USGSThe tri-state highlands of Maryland, West Virginia, and Pennsylvania are shown in the mid-twentieth century as a complex landscape of ridges and river valleys. Researchers can trace the winding Potomac River and find old rail-and-river towns like Cumberland, Keyser, and Morgantown. - 1962 Map of Cumberland
1962 Cumberland1962 Print · USGSThe central Appalachians meet at the height of the mid-century industrial era, showing the rugged topography between Morgantown and Winchester. Genealogists can trace family lands near Fort Necessity or along the vital Baltimore & Ohio RR corridors. - 1967 Map of Confluence, 1970 Print
1967 Confluence1970 Print · USGSThe river junction at Confluence is captured here in the late sixties as the reservoir reshaped the valley landscape. Researchers can trace the tracks of the Baltimore and Ohio and find local landmarks like Jersey Ch and Turkeyfoot Valley Sch.4 unique versions available - 1977 Map of Accident, 1979 Print
1977 Accident1979 Print · USGSWestern Maryland's agricultural landscape is seen in detail during the late seventies through this aerial survey of Garrett County. Genealogists and local historians can trace the specific layouts of family farms and homesteads near Accident and the slopes of Rich Hill. - 1977 Map of Confluence, 1979 Print
1977 Confluence1979 Print · USGSSomerset County communities thrive along the river forks in the late 1970s. Trace local family history and rural land use through the detailed streets of Confluence and Ursina, or follow the winding Casselman River to Harnedsville. - 1979 Map of Morgantown, 1983 Print
1979 Morgantown1983 Print · USGSThe northern Appalachian borderlands are captured here in the late seventies, showing the tri-state area of West Virginia, Pennsylvania, and Maryland. Genealogists and historians can trace the Mason and Dixon Line through mountain settlements like Markleysburg and across the Youghiogheny River Lake. - 1994 Map of Confluence, 1997 Print
1994 Confluence1997 Print · USGSThe three-way meeting of the Youghiogheny, Casselman, and Laurel Hill Creek defines this Somerset County landscape in the 1990s. Genealogists and historians can trace family-named sites like Younkin Cem, Jersey Ch, and the historic National Road through Addison. - 1994 Map of Accident, 1999 Print
1994 Accident1999 Print · USGSThe Maryland-Pennsylvania borderlands near Accident are shown here as they appeared in the 1990s, centered on the historic National Road corridor. Researchers can locate family landmarks like Turney Cem and the sites of Eagle Mill and Kaese Mill.
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