
 HISTORY
  H10537/94-- OPR-D368-WH; SIDE SCAN SONAR CONTACT. DIVERS ì
DESCRIBE A CONCRETE BLOCK APPROX. 4 FEET LONG, 3 FEET WIDE, AND 3 ì
FEET HIGH. LD (PNEUMO GAUGE) OF 19.5 METERS (64 FEET) IN LAT. ì
38-57-39.316N, LONG. 75-10-52.909W. EVALUATOR REC