First under Virginia as Yohogania, Ohio, or Augusta County until 1781, and subsequently under Pennsylvania; with sketches of all the townships, boroughs, and villages, etc.; and to which is added a full account of the celebrated Mason and Dixon's Line, the Whiskey Insurrection, Indian warfare, with traditional and local historical events. Creigh's History not only covers the topics standard to such histories of the period---early settlers and settlements; Indian history of Western Pennsylvania; Proceedings of legislative bodies, elected officers; churches; Military History of Washington County, including rosters of men and officers in various conflicts; geological facts, population and agricultural statistics, place names, schools, etc.---but also peppers his narrative with innumerable names of early settlers, biographical sketches, and anecdotes about county residents.