Located near this point, a stockaded log structure stood as a place of refuge for the region's earliest settlers. The Fort was originally built by Robert Barr, in 1768, and was utilized during Lord Dunmore's War of 1774, and throughout the many . . . — — Map (db m134221) HM
Near this site, Fort Elder was created in 1783 by Robert Elder. His cabin was a plain log structure, strongly built with heavy doors (known as a Block House) and situated near a spring. Ford Elder would often become a place of refuge when Indians . . . — — Map (db m134222) HM
Deep in a hillside at the west end of the park, the Salem #2 mine was designed to reach part of the Greensburg coal basin. A year after opening, it had sixty employees. Peak production occurred in 1942, when 98,000 tons of coal were mined.
In . . . — — Map (db m135723) HM
Colonel James Wilson erected a blockhouse near this point, which served as a refuge for the early settlers of Derry Township. It was equipped with heavy wooden doors, fortified window coverings, and rifle holes on every side. The blockhouse was . . . — — Map (db m134223) HM