  H6976/45-47WD--WAHT4245; 1:40,000 SCALE SURVEY; VISUAL CONTROL; SUBM OBSTR IN 
LAT.36-57-56N, LONG.75-57-31W; HUNG AT 22FT; CLEARED BY 20FT; DRAG INDICATED 
SMALL OBJECTS RATHER THAN A SHOAL; CLOSE TO WARTIME MINE FIELD; SUSPECTED    
THAT OBSTR IS