
HISTORY
H3994/17WD--46FT SOUNDING ON ROCKY SHOAL,SCALED FROM CHART IN LAT 57-13-39.0N 
 LONG 133-33-51.2W (CHARTED 7.5 FMS).                                         
H4143/20WD--AREA CLEARED BY 41FT AT MLLW. (ENTERED 1/87 RWD)                  
H10