  LNM40/71--A 36-FT. WOOD HOUSEBOAT SANK 9/14/71.                               
  R/H MONTHLY REPORT, SEPT. 1980, OPR-B645-R/H-80, ITEM 28.                     
HYDROGRAPHER FOUND THAT CG RECOVERED LARGE PIECES OF DEBRIS INDICATING VESSEL
HAD BROKEN