Joe Napsha Sunday, Feb. 16, 2020 12:00 p.m. | Sunday, Feb. 16, 2020 12:00 p.m. A group of surveyors from Pennsylvania and Maryland starting this year plan to create a new record of what might be ...

I can no longer see Wayne Aubertin, but I can still hear him: his legs thwacking through the underbrush, his labored breath. “Come on!” he yells at no one in particular. A few minutes later I emerge ...

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 ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

PITTSBURGH (AP) — A group of surveyors from Pennsylvania and Maryland, starting this year, plan to create a new record of what might be America's most famous border: the Mason-Dixon Line. Members of ...