Chart correction 52/21 — chart 14904

★14904 28Ed. 05/01/19 LAST NM 46/21 52/21 Relocate Buoy "14" from 42°47′43″N 87°43′24″W to 42°47′33″N 87°43′32″W (See 25/21) (Inset Waukegan) Relocate Buoy "1" from 42°21′27.5″N 87°47′36.7″W to 42°21′26.8″N 87°47′40.0″W (46/21 CG9)

Source: NGA U.S. Notice to Mariners · edition: 28Ed. 05/01/19

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