1900s (20th Century) Maps of Mason and Dixon, Antrim Township
Explore 13 historic maps of Mason and Dixon 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 Mason and Dixon'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 Mason and Dixon's history through authentic maps from the 1900s. This is your window into the past.
Mason and Dixon, Antrim Township maps
(13)- 1912 Map of Williamsport
1912 Williamsport1912 Print · USGSUpper Maryland and the West Virginia panhandle were bustling centers of river and rail transit before the First World War. Researchers can trace the path of the Chesapeake and Ohio Canal and locate family landmarks like Cushwa Mill or the St James School.3 unique versions available - 1942 Map of Hagerstown
1942 Hagerstown1942 Print · USGSThe Cumberland Valley and Potomac corridor are captured here at the height of the Second World War rail-and-river era. Genealogists and historians can trace the industrial landscape of Richmond Furnace, the route of the Chesapeake and Ohio Canal, and the grounds of Camp Ritchie. - 1943 Map of Hagerstown
1943 Hagerstown1943 Print · USGSThe Cumberland Valley was a critical wartime logistics hub in the 1940s, teeming with rail traffic and new military installations. Genealogists and historians can trace the Chesapeake and Ohio Canal or locate local landmarks like Richmond Furnace and Camp Ritchie. - 1944 Map of Mason-Dixon
1944 Mason-Dixon1944 Print · USGSMaryland and Pennsylvania intersect along the creek-carved borderlands in the mid-1940s. Genealogists and researchers can trace family-named sites like Martins Crossroads, find local institutions such as White Pine School, or locate the Fairview Roller Mill.2 unique versions available - 1944 Map of Williamsport, 1959 Print
1944 Williamsport1959 Print · USGSMaryland and West Virginia meet along the winding Potomac in the mid-1940s, a landscape defined by river trade and mountain ridges. Genealogists and historians can trace the Chesapeake and Ohio Canal past McCoys Ferry, Cushwa Mill, and the Stonewall Jackson Monument.2 unique versions available - 1948 Map of Baltimore
1948 Baltimore1948 Print · USGSMaryland and Pennsylvania crossroads are captured in the late 1940s, showing a landscape defined by historic rail lines and major military installations. Genealogists can trace family connections in Gettysburg, Westminster, and near the U.S. Naval Academy in Annapolis.2 unique versions available - 1953 Map of Mason-Dixon, 1954 Print
1953 Mason-Dixon1954 Print · USGSThe Mason-Dixon line bisects this fertile valley in the early 1950s, where the winding Conococheague Creek meets a network of country roads. Genealogists can trace old family sites and schools like Sunrise Sch, Steckerberger Sch, and the hamlet of Huyett.4 unique versions available - 1954 Map of Baltimore
1954 Baltimore1954 Print · USGSThe Mid-Atlantic region in the early fifties shows a landscape of growing suburban centers and heavy rail corridors. Trace mid-century transit networks and military landmarks from the Aberdeen Proving Ground to the Gettysburg National Military Park. - 1956 Map of Baltimore
1956 Baltimore1956 Print · USGSMid-century Maryland and Pennsylvania are captured here during a period of massive suburban and military growth across the Chesapeake region. Genealogists and historians can trace the rail corridors of the Baltimore & Ohio RR and locate landmarks like Fort McHenry or the Aberdeen Proving Ground. - 1957 Map of Baltimore, 1964 Print
1957 Baltimore1964 Print · USGSMaryland and Southern Pennsylvania are shown during the mid-century expansion of the Baltimore-Washington corridor. Researchers can trace the extensive rail lines of the Baltimore & Ohio RR and locate sites like Fort Detrick and Gettysburg National Military Park.5 unique versions available - 1961 Map of Baltimore
1961 Baltimore1961 Print · USGSMaryland and Pennsylvania are captured at a mid-century peak of industrial and military expansion. Genealogists and historians can trace rail corridors like the Western Maryland Ry or locate regional landmarks such as Camp Detrick and Kent Island. - 1983 Map of Hagerstown, 1984 Print
1983 Hagerstown1984 Print · USGSThe tri-state borderlands of Maryland, Pennsylvania, and West Virginia are shown in the early eighties as a hub of military installations and valley towns. Genealogists and historians can trace the landscape from Gettysburg National Military Park to the banks of the Potomac River.2 unique versions available - 1989 Map of Baltimore
1989 Baltimore1989 Print · USGSThe Mid-Atlantic corridor in the late eighties is captured here, from the Baltimore harbor to the Blue Ridge foothills. Researchers can trace the sprawling footprints of Aberdeen Proving Ground, the historic grounds of Gettysburg National Military Park, and the winding Susquehanna River.
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