Chart correction 01/23 — chart 18653

★18653 12Ed. 10/01/12 LAST NM 23/20 01/23 Add Danger circle "Obstn" [K40] (PA) 37°54′06.0″N 122°23′56.0″W (NOS; 42/22 CG11)

Source: NGA U.S. Notice to Mariners · edition: 12Ed. 10/01/12

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