Editorial: Understanding + New Methods = Progress; Operation: Altered Building (Manhattan Box 33-1036, 48 West 73rd Street, 9/17/1971); The Commissioner Appoints Rae Archibald; Meet Your Staff Officers; Safety Is ...; Through the Bag; Runs and Workers - 1970; Rapid Transit River Tunnels; Photo Reporter; Biological Effects of Radiation; What's New (stations, apparatus); Division of Fire Prevention ... why and how it operates; All Hands; In Memoriam; The Supreme Sacrifice - Died in the Line of Duty (William C. Rinsdale, Edward J. Heaney).