H10832--OPR-F344-WH-98;  DURING MAINSCHEME HYDROGRAPHY A SIDE SCAN SONAR CONTACT (3622.1) WAS FOUND.  AN ECHOSOUNDER DEVELOPMENT OF THE CONTACT UTILIZING 10-METER LINE SPACING YIELDED A LEAST DEPTH OF 42.0 FEET (MLLW) IN LAT. 34/37/13.45N, LONG. 076/34/2