  H11176/03--OPR-K379-KR;  FOUND AN OBSTRUCTION MEASURING 2 X 2 METERS AND NOTED AS A POSSIBLE ANCHOR OR BUOY BLOCK.  THIS OBSTRUCTION WAS FOUND IN LAT. 28/21/09.15N, LONG. 095/50/47.93W (NAD83) WITH A LEAST DEPTH OF 79.4 FEET MLLW.  (ENTERED 3/04 BY MBH