"Mason and Dixon line resurvey commission." . . . . . . . . . "Report on the resurvey of the Maryland-Pennsylvania boundary part of the Mason and Dixon line. Authorized by the legislatures of Maryland and Pennsylvania. Pub. under authority of an act of Assembly of Pennsylvania, approved May 13, 1909"@en . . . . . . . . . . . "Report on the resurvey of the Maryland-Pennsylvania boundary part of the Mason and Dixon line Authorized by the legislatures of Maryland and Pennsylvania. Pub. under authority of an act of Assembly of Pennsylvania, approved May 13, 1909"@en . "Mason-Dixon Line." . . "Maryland" . . "Pennsylvania" . .