Chart correction 31/20 — chart 91005
91005 6Ed. 6/15/96 LAST NM 29/20 31/20 Add Depth 61 fathoms enclosed by depth contour (100-fathom) centered 10°03.8′N 121°34.1′E “Chemical Dumping Ground” area [N24] bound by purple composite-line circle, radius 2 miles, centered 10°06.9′N 121°36.1′E (1(10)17 Manila; 12(1346)13 Taunton; UKHO ARCS 4480-0)
Source: NGA U.S. Notice to Mariners · edition: 6Ed. 6/15/96
Reference information — always verify against official Notices to Mariners before navigation.