Chart correction 31/20 — chart 97381

97381 7Ed. 9/6/97 LAST NM 30/20 31/20 Substitute Depth 18.6 meters enclosed by depth contour (20-meter) for 27 meters 31°18′16″N 129°44′25″E Note: Bottom characteristic “R” remains (41(820)19 Tokyo)

Source: NGA U.S. Notice to Mariners · edition: 7Ed. 9/6/97

Reference information — always verify against official Notices to Mariners before navigation.