MKARNS - Mariners are advised that the Little Rock District and the U.S. Coast Guard have been notified of a sunken spud barge at approximately NM 73.2, located on the edge of the navigation channel, and is marked with a lit flashing buoy. A second sunken barge, reported at NM 118.2 in Little Rock, is not in the navigation channel, and is located along the right descending bank, between the shoreline and the rock training structures.