Inland Electronic Chart (Update) UMR Mile 46-38
Notice Number: 201673
Date: 12/05/2022 14:53 thru 03/31/2023 23:59
The USACE Inland Electronic Chart (IENC), U37UM000, has been updated to reflect recent surveys of underwater rock in the vicinity of Thebes, IL, from mile 46 to 38 UMR and minor adjustments have been made to the recommended route or sailing line.
Mariners are encouraged to update their IENC charts when transiting this area.
FOR THE DISTRICT ENGINEER:
Andrew C. Schimpf, P.E.
Rivers Project Manager