HARRISBURG, Pa., June 13, 2012 /PRNewswire-USNewswire/ -- The Pennsylvania Historical and Museum Commission (PHMC) today announced the addition of state historical markers to its mobile website, PATrailsofHistory.com. Smartphone users can not only explore state-owned and operated...
Source : http://www.prnewswire.com/news-releases/pennsylvan...
Source : http://www.prnewswire.com/news-releases/pennsylvan...