Chart correction 37/23 — chart 12270

★12270  40Ed.  07/01/19  LAST  NM  20/23  37/23 Delete Depth 13 feet   38°53′07″N  76°10′41″W Substitute Depth 7 feet Obstn [K41] for depth 14 feet   38°59′35″N  76°30′22″W Depth 7 feet Obstn [K41] for depth 17 feet   38°54′37″N  76°10′08″W Add Depth 22 feet Obstn [K41]   38°51′47″N  76°18′24″W Depth 6 feet Obstn [K41]   38°47′18″N  76°13′03″W Depth 8 feet Obstn [K41]   38°53′05″N  76°10′40″W Depth 13 feet Obstn [K41]   38°54′04″N  76°16′14″W Depth 9 feet Obstn [K41]   38°55′04″N  76°14′32″W Depth 7 feet Obstn [K41]   39°00′25″N  76°10′11″W Depth 7 feet Obstn [K41]   38°58′37″N  76°14′43″W Depth 9 feet Obstn [K41]   38°57′00″N  76°14′29″W (NOS)

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

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