Calver Island is a historic archaeological site located at Swatara Township, Dauphin County, Pennsylvania. It is known as Pennsylvania Site 36DA89. It was added to the National Register of Historic Places in 2007. ... Found on http://en.wikipedia.org/wiki/Calver_Island
Calver Island is a historic archaeological site located at Swatara Township, Dauphin County, Pennsylvania. It is known as Pennsylvania Site 36DA89. It was added to the National Register of Historic Places in 2007. ...