Chart correction 21/23 — chart 14853

★14853  19Ed.  10/01/18  LAST  NM  17/23  21/23 (Page 13) Add Obstruction area "(exposed pipeline)" with blue tint [K40] 70 yards wide on centerline between   42°19′37.3″N  83°00′38.0″W   42°19′39.3″N  83°00′38.6″W (NOS)

Source: NGA U.S. Notice to Mariners · edition: 19Ed. 10/01/18

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