of North America from the seas, or per- haps sometime later, with the shrinkage of the earth the surface hereabouts was subjected to enormous pressures. Our rock was reborn in this process and took on the character imparted by this pressure and its attendant heat. It became, with its fellows of the

features of Pennsylvania, what is known of its past should be recorded by the Lancaster County Historical Society. Rock Springs, or as they are sometimes called, Seven Springs, are in Fulton Township near the Mason and Dixon line. They are in part of a large though somewhat scattered tract of land in