Chart correction N18/21 — chart 17496

17496 1Ed. 10/29/99 LAST NM N32/20 N18/21 Substitute Depth 0.6 meter for 2.7 meters 49°55′48″N 124°49′29″W and extend depth contour (2-meter) S to enclose Depth 0.8 meter enclosed by depth contour (2-meter) for 2.3 meters 49°54′39″N 124°44′07″W Add Rock which covers and uncovers with drying height 0.1 meter [K11] 49°56′51″N 124°52′49″W Rock which covers and uncovers with drying height 0.1 meter [K11] 49°56′49″N 124°52′42″W Depth 0.6 meter enclosed by depth contour (2-meter) centered 49°55′21″N 124°49′35″W (2/21 Ottawa) ★18002 12Ed. 3/27/21 NEW EDITION N18/21 (NGA) ★18013 6Ed. 3/27/21 NEW EDITION N18/21 (NGA) ★18746 40Ed. 1/17 LAST NM 10/21 18/21 Add Chartlet from Subsection I-2 33°26′00″N 117°39′30″W (NOS) ★18774 12Ed. 7/11 LAST NM 22/17 18/21 Add Chartlet from Subsection I-2 33°26′00″N 117°37′00″W (NOS)

Source: NGA U.S. Notice to Mariners · edition: 1Ed. 10/29/99

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