The last steel-hulled, sunken houseboat was scraped from the shore of Lake Lanier on Tuesday. Law enforcement, lake managers, the Lake Lanier Association and Marine Specialties Inc. hauled the hull of the 40-foot, destroyed vessel — stuffed full of debris, mud and catfish — from the shore near the 4000 block of Lakeview Lane in Gainesville onto a barge for disposal. The work lasted most of the morning and will likely cost taxpayers almost $10,000 through the Georgia Department of Natural Resources and Hall County government, which funded the work with grants to the lake association.