Source details
Congressional Record, Senate, March 24, 1930, reproducing Pennsylvania-Dixie's 1926 listing application
Page or archive reference: Congressional Record printed pp. 5998–5999 / PDF pp. 41–42, predecessor history and Portland Point mill description
Public draft citation only; private source and original research remain private.
Page or archive reference: Exhibit B, Congressional Record printed pp. 6004–6005 / PDF pp. 47–48, Portland Point plant inventory
Public draft citation only; private source and original research remain private.