H11916 - OPR-B310-TJ-08, Obstruction located during survey, 1m. high located within 100 - 250m of charted Obstns. Obstn danger circle with 47 ft. least depth  @ 40° 25' 3.93" n / 073° 51' 35.50" w was added to chart. (12/31/08, PTT).