Conservation of waterlogged bark bowls. Info Type: Publication Place, publisher, year: Ottawa] : ICOM Committee for Conservation, Working Group on Wet Organic Archaeological Materials, 1992 Collation: p. 8-10 Author: Ward, Clare ; Sully, Dean ; Lee, John. Year: 1992. Serial type: Article from Periodical Description: conservation treatment; waterlogged wood; freeze-drying.