Chart correction N8/21 — chart 55082
55082 11Ed. 4/6/19 LAST NM N49/20 N8/21 Delete Depth 22.5 meters 46°19′17″N 30°46′53″E Depth 5.6 meters 46°33′30″N 30°53′23″E Substitute Depth 5 meters R [K14.2] for depth 5.6 meters R 46°14′04″N 30°39′06″E Add Depth 15.4 meters, blue tint and enclosing depth contour (20-meter) centered 46°19′22″N 30°46′45″E Depth 4.7 meters Obstn [K41] 46°33′28″N 30°53′20″E (5(544)21 Taunton)
Source: NGA U.S. Notice to Mariners · edition: 11Ed. 4/6/19
Reference information — always verify against official Notices to Mariners before navigation.