Chart correction NNU-324480 — chart 482
изменена характеристика · Waukegan Shoals Lighted Buoy 3 · G "3" Fl G 2.5s · Structure: Green Remark: Replaced by can from Dec 1 to Apr 21.
Source: NOAA Nautical Updates — critical (US waters)
Reference information — always verify against official Notices to Mariners before navigation.