stone quarry in Delaware County PA Reviews .
rock quarry delaware county pa Township History Edgmont PennsylvaniaEdgmont Township Pennsylvania Delaware County Skip to main content The Emerald of Delaware County Search Search Township History bringing folks to the 33 acre amusement park built on what was known as Castle Rock The rocks at Castle Rock in 1899 resounded with music and merriment as people . Leipers Quarry .