Keywords: Mason Dixon Line Delta PA Cardiff MD.JPG en a c 1930 marker of the borderline between Delta Pennsylvan1a and Cardiff Maryland The border is generally known as the Mason-Dixon Line Notice that the marker is on the west side of Main Street meaning that Pennsylvania is north to the right and Maryland is to the left south The inscriptions are reversed apparantly for motorists who would see that they are arriving in PA while still in MD if driving north and vice versa if driving south The marker is in two distinct historic districts the Delta Historic District in York County Pennsylvania and the Whiteford-Cardiff Historic District in Harford County Maryland both on the NRHP 2013-07-19 18 11 32 own Smallbones 39 721301 -76 335229 83002288 cc-zero Uploaded with UploadWizard National Register of Historic Places in York County Pennsylvania National Register of Historic Places in Harford County Maryland Mason-Dixon Line stone markers Delta Pennsylvania |