250th Anniversary of Mason and Dixon’s Survey in Baltimore County

  www. PreservationABC.org     Celebrate the 250th Anniversary of Mason and Dixon’s Survey in Baltimore County   See the BIG REVEAL of a new Mason – Dixon Roadside Historical Marker and a Replacement Mile Stone No. 46:   DATE:     OCTOBER 17, 2015 TIME:      2:00 P.M. PLACE:    MASON AND DIXON LINE – Read more…