LOWER MISSISSIPPI RIVER - OHIO RIVER
General / Marine Construction (Excluding Bridges) / Facilities, Barriers, Manmade Reefs, Riprap, Jetties / Dikes
Continuing until further notice, the Markland L/D Auxiliary Lock will be closed for repairs. The Main Chamber will remain open for lockage. Mariners should take all directions from the Markland L/D operators for current lockage procedures.
USCG Heartland (MRS) District Local Notice to Mariners 44/2026