 HISTORY
  H10120/83-84--OPR-H373-HFP-83; VISIBLE WK, BARES 15FT (MAST) AT MHW, WAS      
LOCATED IN LAT 24-34-12.48N, LONG 81-48-31.78W. THIS WK IS LOCATED OFF THE   
SHEET LIMITS. (ENTERED 4/87 RWD)