 HISTORY
  H7797/50--CS-256; VISIBLE WK, (BARGE) POSITION SCALED FROM ì
SURVEY IN LAT 38-03-16.0N, LONG 121-51-18.4W.
  CL279/78--CAS18659(1977)-OPR-511-DA-77-ITEM 19; VISIBLE ì
WK(UNCOVS 6.5FT AT MLLW; PRED. TIDES) POSITION GIVEN IN LAT ì
38-03-16.