  FE353SS/90-- OPR-D111-WH; ITEM NO. 20. OBSTRUCTION LOCATED BY SIDE SCAN SONAR IN LAT. 36-54-43.98N, LONG. 75-55-31.28W. EVALUATOR RECOMMENDS CHARTING AN OBSTRUCTION WITH AN ECHO SOUNDER DEPTH OF 16.8 METERS (55 FEET) AS SURVEYED. (ENT 7/17/92, SJV)
