Chart correction N40/21 — chart 17496

17496 1Ed. 10/29/99 LAST NM N18/21 N40/21 Delete Depth 1.8 meters and enclosing depth contour (2-meter) in vicinity 49°39′04″N 124°52′35″W Substitute Depth 0.4 meter for depth 1.5 meters 49°38′50″N 124°51′41″W and extend depth contour (2-meter) SW to enclose Add Depth 0.1 meter enclosed by depth contour (2-meter) centered 49°39′07″N 124°52′37″W Rock awash [K12] 49°39′17″N 124°52′15″W Depth 0.3 meter enclosed by depth contour (2-meter) centered 49°39′08″N 124°52′54″W Depth 0.3 meter enclosed by depth contour (2-meter) centered 49°38′53″N 124°52′16″W Depth 0.1 meter enclosed by depth contour (2-meter) centered 49°39′12″N 124°52′27″W Depth 1.6 meters enclosed by depth contour (2-meter) centered 49°38′05″N 124°51′26″W (8/21 Ottawa)

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

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