
HISTORY
H9669/76-77; OPR-503-PE/WH-76, OPR-503-WH-77--SUBM OBSTR COVERED BY 3FT  
 OF WATER. POS. SCALED FROM H-SHEET (1:5000). H-9669 CONSIDERED ADVANCE  
 INFO; VERIFIED, NOT EVALUATED. (ENT 5/89 GM)
