H9901/80--OPR-D103-PE-80; 1:10,000 SCALE SURVEY; ARGO (R/R) CONTROL; ECHO     
 SOUNDER; 22FT SPIKE IN 28-30FT DEPTHS IN LAT.37-00-53N, LONG.75-54-25W; NOT  
 INVESTIGATED TO ENSURE THAT ITS EXTENT AND LEAST DEPTH HAD BEEN DETERMINED   
 PLOTTED ON HY