Historical Markers in Peach Bottom Township, Pennsylvania
York is the county seat for York County
Delta is in York County
York County(438) ► ADJACENT TO YORK COUNTY Adams County(1436) ► Cumberland County(428) ► Dauphin County(318) ► Lancaster County(547) ► Baltimore County, Maryland(336) ► Carroll County, Maryland(210) ► Harford County, Maryland(204) ►
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On Delta Road, 0.2 miles north of Dooley Road, on the right when traveling north.
The historic boundary between Pennsylvania and Maryland was surveyed, 1763-1767, by Charles Mason and Jeremiah Dixon to settle border disputes between the two Provinces. This section of the Mason-Dixon Line was first surveyed June 26, 1765. — — Map (db m3767) HM
On Green Road, 0.1 miles east of Ridge Road, on the right when traveling south.
Slate has the unique ability to be split into thin layers from which roofing material is made. This is known as the "cleavage". Slate is actually mud that settled in layers to the bottom of an inland sea 400-600 million years ago and was subject to . . . — — Map (db m171094) HM
On Green Road, 0.1 miles Ridge Road, on the right when traveling south.
Peter Williamson, a Scots-Irish immigrant, took a great chance when he bought property that included the Peach Bottom slate deposits. Not only was transportation a problem, but there was also a great need for skilled slate workers or "slaters", . . . — — Map (db m171152) HM
Near Green Road, 0.1 miles east of Ridge Road, on the right when traveling south.
The famous Peach Bottom roofing slate was discovered about 1734, on the ridge where Delta, Cardiff and Whiteford are now located. The discovery was made by two Welsh pioneer farmers. William and James Rees. They proceeded to roof their buildings . . . — — Map (db m171101) HM
On Green Road, 0.1 miles east of Ridge Road, on the right when traveling south.
These unique stone cottages are identical to those found in the slate quarrying regions of North Wales. They are owned and maintained by the Old Line Museum of Delta, Pa. Purchased in 2006, they are being restored by volunteers and various . . . — — Map (db m171334) HM
