. "1921 (6 ft project)" . "1938" . . . "Lock 14" . . . . . . . . "Lock and Dam No. 14" . . . . . "1938-05-13" . . . . . . . . . . . . "1939" . . . "Gravity" . . . . . . . "1921" . . "Lock and Dam No. 14" . . . "822.96" . .