WANTED: Vessel Of Untreated Plank Construction Either Carvel Or Lapstrake. Must Be At Least Forty Feet Long And In Reasonable Shape. A Barge Or Plank Houseboat Would Be Considered Of Interest As Well. Plank Wooden Vessel Or Barge Sought, Float Or Other, That Is Free Of Veneers, Pressboard Or Chemically Treated Materials. Power Or Sail. Must Be At Least Forty Feet In Length.