South Carolina's original constitutions are breaking down. The several hundred-year-old parchments are tattered with frayed edges, browning corners, and stiff pages. In an effort to save the documents, archivists are seeking to preserve them permanently. For now, the documents lay unseen in a temperature-controlled room. "Everything in here is 60 degrees, less than 50% relative humidity," says Eric Emerson, Director of the South Carolina Department of Archives and History. The massive, white