  ****SOURCE UNKNOWN-- OBSTRUCTION, DEPTH OVER CRIB 22FT,  WAS APPLIED BEFORE 1972 TO THE LAKE SURVEY CHART BEFORE NOS TOOK OVER THE CHART. (ENTERED 3/05 CEH)
F00502/06-- OPR-Y387-NRT4-05;  Item was seen on SSS and a least depth was found to be 23 ft, b