Chart correction 41/23 — chart 14904
★14904 28Ed. 05/01/19 LAST NM 29/23 41/23 Add Buoy "B" Y, Fl Y 4s with legend "Priv" 42°22′02″N 87°47′43″W (Inset Waukegan) Add Buoy "B" Y, Fl Y 4s with legend "Priv" 42°22′01.9″N 87°47′42.7″W (35/23 CG9; USCG LL)
Source: NGA U.S. Notice to Mariners · edition: 28Ed. 05/01/19
Reference information — always verify against official Notices to Mariners before navigation.