
 HISTORY
  H10505/93-- OPR-I173-MI; SIDE SCAN SONAR CONTACT. DIVERS DESCRIBE 2 LARGE CONCRETE BLOCKS 1.1 METER OFF THE BOTTOM IN 13 METERS. LL LD OF 11.8 METERS (38 FEET) IN LAT. 18-19-47.036N, LONG. 64-56-28.460W. EVALUATOR RECOMMENDS CHARTING A 38 O