  H10832--OPR-F344-WH-98; DURING MAINSCHEME HYDROGRAPHY A SIDE SCAN SONAR CONTACT (24507.5S) WAS FOUND.  AN ECHOSOUNDER DEVELOPMENT OF THE CONTACT UTILIZING 10-METER LINE SPACING YIELDED A LEAST DEPTH OF 39.0 FEET (MLLW) IN LAT. 34/37/40.80N, LONG. 076/3