"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." I can no longer see Wayne Aubertin, but I can still hear him: his legs thwacking through the underbrush, ...

Keystones aren’t the only stones indelible to Pennsylvania’s character. Limestone monuments marking each mile of the Mason-Dixon Line — a survey line dating back to the 1760s intended to resolve a ...

The Mason-Dixon line is a major part of history, but the majority of the more than 200 stones that mark the line are not on the National Register of Historic Places.Volunteers are trying to change ...

PHILADELPHIA — If Todd Babcock had his way, the Mason-Dixon Line would be known as the technological marvel that kept Philadelphia in Pennsylvania, not as flawed shorthand for the Civil War ...

If parts of York County’s story are new to those in the OLLI at Penn State York classes that I teach, then they likely aren’t widely known. I’ve found those 50-plus-year-old students really are on top ...

A York County researcher plans another ramble through the brambles in quest of boundary marker.

(WHTM) — 260 years ago today, Charles Mason and Jeremiah Dixon arrived in Philadelphia to begin their survey of the boundary lines between Pennsylvania and Maryland. It would take them almost five ...