50803
HISTORY
CL938/84--SUBM OBSTR, PA; COVERED 12FT AT MLLW. SEXTANT CONTROLLED, PINNACLE  
 APPEARS CIRCULAR 10M ACROSS RISING ABRUPTLY FROM A 48FT BOTTOM. LOCATED IN   
 LAT.60-39-31.9N, LONG.146-15-05.1W.