  H9255WD/71,72--OPR-467-RH-71,72; ITEM 30; 1:20,000 SCALE SURVEY; RAYDIST      
CONTROL (HYPERBOLIC, R/R) AND VISUAL. UNINVESTIGATED HAND AT 18FT. CLEARED    BY 15FT. DEPTHS IN AREA FROM H9910/80 ARE 21-22FT; RECOMMENDED THAT A        
SUBM OBSTR CLEA