. "river Volta" . . . . . "Volta river" . . "a river" . . . "Volta" . "upper Volta river" . . "Volta basin" . "Volta Delta" . . . . . . . . . . . . . "Volta River" . . . . . . . "Volta River" . "Volta River (Ghana)" . . . . . . "Volta River Basin" . . . . . . . . . "Volta River Bridge" . . "river" . .