Mason and Dixon were pioneers in bringing geodetic astronomy to the American colonies. Through the efforts of the Mason and Dixon Line Preservation Partnership, we can promote this scientific ...

Seeking inspiration for new places to explore, I looked up historical events of local import that took place on May 25, and as it turns out, there are plenty to choose from. You could argue the 1659 ...

"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 ...

Map LXXXII is in pocket at end of volume. O.H. Tittman, Chairman. Transmitted to the governor of Pennsylvania by Henry Houck, secretary of Internal Affairs. siris_sil_259798 ...

Did you know that the Mason-Dixon line was only formed after years of conflict between the neighboring Pennsylvania and Maryland colonies? After confusing and conflicting language in their respective ...

Walker (Secrets of a Civil War Submarine) presents an exhaustively researched account of the people and events surrounding the creation of the Mason-Dixon Line. The author goes back to 16th-century ...

Could there be a more opportune moment for an authoritative book on the border crisis? No, not that border, and not today’s crisis, but the dispute that once raged over where Pennsylvania ended and ...

But in the intervening three centuries, as the line came to represent a metaphoric boundary more than a physical one, the stones, which lacked any meaningful government protection, languished. Nicked ...