Episode 2 of 4

Crossing the Monongahela and the Great Catawba War Path

When: Summer 1767
Where: Monongahela River and Great Catawba War Path
Part of: Completion of the Mason–Dixon Line survey

In the summer of 1767 the surveying party crossed the Monongahela River and the Great Catawba War Path, violating a treaty limiting westward expansion of English settlements.

During the summer of 1767, the surveying party crossed the Monongahela River and the Great Catawba War Path. This crossing violated a treaty limiting the westward expansion of English settlements, an episode that preceded the party's eventual halt at Dunkard Creek in October 1767.

Sources

Charles Mason Wikipedia, revision of 2026-09-05

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.