. . "1966" . "3221.736" . . . "Big Bend" . . . "O" . . . . . "1959" . . . . . "1963" . . . "1.2999764E7" . . . "Big Bend Dam" . . "Embankment" . "Big Bend Dam" . . "28.956" . "Embankment, Rolled-earthshalefill &chalkfill" . . . . . . . . .