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House of Representatives
Session of 2015 - 2016 Regular Session


Posted: April 13, 2015 11:33 AM
From: Representative Chris Ross
To: All House members
Subject: 250th Annivarsary of Tri-State Marker, Mason-Dixon Line
In the near future, I plan to introduce a resolution commemorating June 6, 2015 as the 250th Anniversary of the Mason-Dixon Tri-State Marker and celebrating the dedication of the Tri-State Marker Trail.

It was on June 6, 1765, exactly 250 years ago on this date, that Charles Mason and Jeremiah Dixon set a wooden marker at this point on their survey where the West or Mason-Dixon Line (northern boundary of Maryland) intersected with the North Line that formed the boundary between Maryland and the lower three counties of Pennsylvania (later to become Delaware). The survey divided the lands of the Calverts (Maryland), and the lands controlled by William Penn (Pennsylvania). The marker was set by Charles Mason and Jeremiah Dixon to settle the border dispute between Pennsylvania (and later Delaware) and Maryland.

On June 6, 2015, the Friends of White Clay Creek Preserve and Wilmington Trail Club will celebrate the accomplishments of the Mason-Dixon survey and dedicate the completed northern segment of the trail to the Tri-State Marker on National Trails Day.

Mason and Dixon are still admired today by surveyors for the accuracy of their work, given the instruments of the time, and their incredible dedication and bravery cutting their way through untamed wilderness over four years.

Please join me in cosponsoring this resolution.


Introduced as HR342