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Old Maps of Mill Green, Maryland

Explore 15 old maps of Mill Green, spanning from 1901 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 Mill Green 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 Mill Green to uncover forgotten places, hidden landmarks, and the deep history beneath your feet.

Mill Green, MD maps

(15)
  1. 1901 Map of Belair
    1901 Map of Belair
    1901 Belair
    1901 Print · USGS
    The Harford County borderlands at the start of the twentieth century show a landscape defined by rail corridors and early mining. Genealogists can trace family names and small settlements along the Maryland and Pennsylvania RR, such as Fawn Grove, McIntyre Minefield, and Delta.
    7 unique versions available
  4. 1942 Map of Bel Air
    1942 Map of Bel Air
    1942 Bel Air
    1942 Print · USGS
    Harford and York counties at the start of the 1940s show a landscape shaped by the Maryland and Pennsylvania R.R. and deep-cut creek valleys. Trace the local rail-and-mill economy through Clermont Mills, Whiteford, and the village of Delta near the state line.
  7. 1945 Map of Bel Air
    1945 Map of Bel Air
    1945 Bel Air
    1945 Print · USGS
    The Maryland-Pennsylvania borderlands are captured here at the end of the war, centered on the winding Maryland and Pennsylvania R. R. corridor. Genealogists and historians can trace the early layout of Whiteford, Delta, and Clermont Mills as they appeared in the mid-1940s.
  10. 1948 Map of Baltimore
    1948 Map of Baltimore
    1948 Baltimore
    1948 Print · USGS
    Maryland 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
  13. 1948 Map of Belair
    1948 Map of Belair
    1948 Belair
    1948 Print · USGS
    Harford County and southern York County appear at a mid-century crossroads as the post-war era begins. Researchers can trace the winding Maryland and Pennsylvania railroad, find several dozen country churches, and locate industrial relics like the Talc (Abandoned) mine.
    2 unique versions available
  16. 1954 Map of Baltimore
    1954 Map of Baltimore
    1954 Baltimore
    1954 Print · USGS
    The 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.
  19. 1956 Map of Baltimore
    1956 Map of Baltimore
    1956 Baltimore
    1956 Print · USGS
    Mid-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.
  22. 1956 Map of Delta, 1957 Print
    1956 Map of Delta, 1957 Print
    1956 Delta
    1957 Print · USGS
    The Pennsylvania-Maryland border country comes alive in the mid-1950s, centered on the slate-quarrying hubs of Delta and Cardiff. Genealogists and rail historians can trace the Maryland and Pennsylvania Railroad past Slate Ridge School and Mt Zion Cem.
    4 unique versions available
  25. 1957 Map of Baltimore, 1964 Print
    1957 Map of Baltimore, 1964 Print
    1957 Baltimore
    1964 Print · USGS
    Maryland 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
  28. 1961 Map of Baltimore
    1961 Map of Baltimore
    1961 Baltimore
    1961 Print · USGS
    Maryland 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.
  31. 1963 Map of Belair
    1963 Map of Belair
    1963 Belair
    1963 Print · USGS
    Harford County and the Pennsylvania border are shown just after the war, when the Maryland and Pennsylvania RR still served these communities. Genealogists can locate family-named landmarks like the Broad Creek Meeting House, the Wheeler School, and St Ignatius Church.
  34. 1983 Map of York, 1984 Print
    1983 Map of York, 1984 Print
    1983 York
    1984 Print · USGS
    South Central Pennsylvania and Northern Maryland meet along the Susquehanna during the early eighties. Genealogists and local historians can trace the transit networks of Conrail and Amtrak through towns like Red Lion and Seven Valleys.
    2 unique versions available
  37. 1989 Map of Baltimore
    1989 Map of Baltimore
    1989 Baltimore
    1989 Print · USGS
    The 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.
  40. 1999 Map of Delta, 2001 Print
    1999 Map of Delta, 2001 Print
    1999 Delta
    2001 Print · USGS
    The Pennsylvania-Maryland border country at the end of the century reveals a landscape shaped by stone extraction and rural commerce. Researchers can trace the industrial legacy of Funkhouser Quarry, the Old Railroad Grade, and local landmarks like the Fire Observation Station No 77.
  43. 2023 Map of Delta, 2023 Print
    2023 Map of Delta, 2023 Print
    2023 Delta
    2023 Print · USGS
    The Pennsylvania-Maryland line splits the twin towns of Delta and Cardiff on this recent landscape survey. Researchers can trace numerous local burial grounds and historic church sites like Trinity African Methodist Episcopal Zion Cem and Mount Nebo Church Cem.
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