  H10430/92--OPR-P319-RA;  INVESTIGATED AS AWOIS ITEM 51912 AND LOCATED THE OBSTRUCTION IN LAT. 61/14/47.71N, LONG. 149/53/15.03W (NAD83) WITH A LEAST DEPTH OF 33 FEET (MLLW).  ECHOSOUNDER SEARCH USING 5-METER LINE SPACING AND 200% SIDE SCAN SONAR SEARCH