Chart correction 41/23 — chart 12270

★12270  40Ed.  07/01/19  LAST  NM  38/23  41/23 Delete Buoy "2Q"   39°00′16″N  76°10′24″W Depth 16 feet   38°53′45″N  76°28′30″W Depth 15 feet   38°56′34″N  76°31′48″W Substitute Depth 7 feet enclosed by depth contour (12-foot) for depth 13 feet   38°56′31″N  76°32′38″W Substitute Depth 10 feet for depth 16 feet   38°56′34″N  76°32′16″W and extend depth contour (12-foot) NE to enclose Add Light "2Q" Fl R 2.5s 4M   39°00′13″N  76°10′21″W Depth 10 feet enclosed by depth contour (12-foot) centered   38°56′50″N  76°26′49″W Depth 9 feet enclosed by depth contour (12-foot) centered   38°53′47″N  76°28′28″W Depth 7 feet enclosed by depth contour (12-foot) centered   38°57′03″N  76°32′58″W Depth 6 feet, blue tint, and enclosing depth contour (6-foot) centered   38°56′35″N  76°31′46″W Depth 5 feet Obstn [K41]   38°46′36″N  76°20′44″W Depth 6 feet Obstn [K41]   38°43′40″N  76°21′56″W (NOS; 32/23 CG5)

Source: NGA U.S. Notice to Mariners · edition: 40Ed. 07/01/19

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