  ****UNKNOWN SOURCE--  DEPTH OVER CRIB 28 FT WAS APPLIED BEFORE 1975 TO THE LAKE SURVEY CHART BEFORE NOS TOOK OVER THE CHART.  THEN UNKNOWN SOURCE CHANGES THE DEPTH TO 29 FT BETWEEN 1993 AND 2002 ON CHART 14905.  ON CHART 14926 THE DEPTH OF THE CRIB IS