Chart correction 21/21 — chart 24512
24512 3Ed. 9/20/97 LAST NM 19/21 21/21 Add Danger circle “Obstn” [K40] 9°29′57″N 75°36′31″W Danger circle “Obstn” [K40] 9°29′29″N 75°36′35″W Danger circle “Obstn” [K40] 9°32′02″N 75°36′23″W Danger circle “Obstn” [K40] 9°31′29″N 75°36′06″W (COL CH 265) SECTION I NM 21/21 I-1.5
Source: NGA U.S. Notice to Mariners · edition: 3Ed. 9/20/97
Reference information — always verify against official Notices to Mariners before navigation.