--H11246--NOS, 2006: No evidence of obstruction found. Recommended no change in charting. (ETR 12/21/2008)

H10402/91-- OPR-K220-WH; SIDE SCAN SONAR CONTACT LOCATED IN LAT. 
27-45-37N, LONG. 96-56-04W. RETURN WAS FAINT, 15 METERS ACROSS 
WITH FAINT S