 HISTORY
  H10675/96-97-- OPR-C399-RU; SIDE SCAN SONAR CONTACT RISING 1.5 METERS (5 FEET) ABOVE BOTTOM. SONARGRAMS INDICATE A RIDGE-LIKE FEATURE. EVALUATOR RECOMMENDS DELETING CHARTED 16 OBSTN AND CHARTING A 17-FOOT SOUNDING IN LAT. 40-28-51.205N, LONG.