Edward T. Watling No description specified. 1-2 (2 Records) Documents Memorandum from Col James E. Hays to Edward T. Watling, With Reply, Relocation of Historic Ballast House, Harry Diamond Laboratories, MD (1980) Memorandum from Col. James E. Hays to Edward T. Watling, Relocation of Historic Ballast House, Harry Diamond Laboratories, MD (1980)