According to the NACo, the county seat for Adams County, Pennsylvania, is Gettysburg.
Washington PA is 1 hour south of Pittsburg PA. Washington (city) is the county seat of Washington County PA.
According to the NACo, the county seat of Chester County, Pennsylvania, is West Chester.
According to fedstats.gov, the estimated population of Bucks County, Pennsylvania, is 623,205.
The address of the Adams County Historical Society is: Po Box 4325, Gettysburg, PA 17325-4325
The address of the Historic Gettysburg Adams County Inc is: Po Box 4611, Gettysburg, PA 17325-7894
Erie, PA is in Erie County.
It is in Tioga County.
Chester county
Sullivan County
Cumberland County
The Teacher's College in Washington County PA was in California, PA (same county) and evolved into California State University.
The Washington County Fair happens near Arden PA in Washington County PA every summer.