Chart correction 17/20 — chart 93260
93260 9Ed. 10/8/11 LAST NM 14/20 17/20 Add Depth 9.8 meters, blue tint and enclosing depth contour (10-meter) centered 12°30′51″N 101°18′59″E (THA CH 169)
Source: NGA U.S. Notice to Mariners · edition: 9Ed. 10/8/11
Reference information — always verify against official Notices to Mariners before navigation.