
HISTORY
D71/87--OPR-E609-RU/HE-AUG/87; OBSTRUCTION LOCATED IN LAT 38-55-58.77N,  
 LONG 76-23-39.11W WAS DETECTED DURING OFFICE PROCESSING AND WAS NEITHER  
 VERIFIED NOR DISPROVED BY THE FIELD PARTY. THE OBSTR IS AN ECHO SOUNDER  
 DEPTH OF 64FT I