Maryland Line in Baltimore County, Maryland — The American Northeast (Mid-Atlantic)

Mason and Dixon Mile Stone

Photographed by Don Morfe, July 23, 2016

1. Mason and Dixon Mile Stone Marker

Inscription. The base of the original mile stone 46, carved in Portland, England, and set by Charles Mason and Jeremiah Dixon in 1766, is located 480 feet east of this stone.

This replica stone was set by the Maryland Society of Surveyors in 2015.

Topics. This historical marker is listed in these topic lists: Colonial Era • Political Subdivisions. A significant historical year for this entry is 1766.

Location. 39° 43.264′ N, 76° 39.456′ W. Marker is in Maryland Line, Maryland, in Baltimore County. It is on Main Street (MD 45). Touch for map. Marker is in this post office area: Maryland Line MD 21105, United States of America. Touch for directions.

Regionally, this marker is in Central Maryland. It is also in the American Mid-Atlantic and in the Chesapeake Bay Region. Globally, it is in the North Atlantic Region, North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once one of the original Thirteen Colonies and also the Antebellum South.

Other nearby markers. At least 8 other markers are within 4 miles of this marker, measured as the crow flies: Mason and Dixon Line

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(here, next to this marker); Freeland (approx. 1.7 miles away); All Aboard! (approx. 2.6 miles away in Pennsylvania); Homes on Wheels, Mobile Offices (approx. 2.6 miles away in Pennsylvania); The Farmers' Line (approx. 2.6 miles away in Pennsylvania); Summit Grove (approx. 2.6 miles away in Pennsylvania); Spurgeon Milton Keeny (approx. 3.3 miles away in Pennsylvania); Bentley Springs (approx. 3.3 miles away).

Photographed by Don Morfe, July 23, 2016

2. Mason and Dixon Mile Stone Marker

Photographed by Don Morfe, July 23, 2016

3. Mason and Dixon Mile Stone Marker

Photographed by Adam Margolis, December 7, 2021

4. Mason and Dixon Mile Stone Marker

Credits. This page was last revised on December 8, 2025. It was originally submitted on July 24, 2016, by Don Morfe of Baltimore, Maryland. This page has been viewed 747 times since then and 12 times this year. Last updated on March 21, 2018, by Devry Becker Jones of Washington, District of Columbia. Photos: 1, 2, 3. submitted on July 24, 2016, by Don Morfe of Baltimore, Maryland. 4. submitted on December 7, 2021, by Adam Margolis of Mission Viejo, California. • Andrew Ruppenstein was the editor who published this page.