Historical Markers and War Memorials in Delta, Pennsylvania
York is the county seat for York County
Delta is in York County
York County(438) ► ADJACENT TO YORK COUNTY Adams County(1439) ► 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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Dedicated to the
honor and sacrifice
of our men and women
who served our country
in all wars
Let none forget
They gave their all
and faltered not
when came the call — — Map (db m171229) WM
During the late 1800s, engineers started looking to the lower Susquehanna as a source of electric power.
From 1895 to 1931, as demand for electricity increased, four hydroelectric dams were
constructed on the river: at York Haven, Safe Harbor, . . . — — Map (db m173596) HM
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
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
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
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
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