National Geographic : 1948 Jan
John andFrank Craighead Majuro Atoll's Calm Lagoon Provides a Safe Haven for a Rakish Marshallese Sailing Canoe Islanders seldom moor their boats, but haul them up on beaches where marine worms cannot attack the timbers. Hullsare fashioned from hollowed-out breadfruit trunks. Upper portions are made of planks fastened with coconut-fiber cord. Seams are waterproofed with sticky,rubberlike sapofthebreadfruit tree.