  LNM 30/90-- DANGEROUS WRECK IN POSITION APPROXIMATE AT LAT. 41/56/30.0N, LONG. 87/35/18.0W.
F00502/06-- OPR-Y387-NRT4-05; Area was investigated using 200% SSS and SBES.  A contact wasfound at 41/56/32.7-87/35/09.6.  A least depth of 30 ft was found.