Chart correction 30/20 — chart 97381

97381 7Ed. 9/6/97 LAST NM 29/20 30/20 Delete Submarine cable between 31°33′12″N 130°19′54″E 31°08′12″N 129°43′20″E Depth 7.7 meters, S 31°45′30″N 130°11′02″E Depth 82 meters 31°18′35″N 129°44′14″E Substitute Depth 10.6 meters, R [J9.1] for 20 meters 31°18′36″N 129°44′32″E Add Depth 6 meters, R [J9.1] 31°45′54″N 130°10′44″E Depth 55 meters 31°18′42″N 129°44′19″E (23(478), 41(820)19 Tokyo; JPN CH W207)

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

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