SOURCES OF MATERIALS

Plastomer Products Coltec Industries, 23 Friends Lane, Newtown, Pa. 18940, (800) 618-4670

AUTHOR INFORMATION

NANCY ODEGAARD holds a Ph.D. in applied science in conservation from the University of Canberra, an M.A. from George Washington University, and a certificate in ethnographic and archaeological conservation from the Smithsonian Institution. She has been head of the conservation section at the Arizona State Museum since 1984 and is a member of the faculty of the University of Arizona. Address: Arizona State Museum, University of Arizona, Tucson, Ariz. 85721.

MATTHEW CRAWFORD holds an M. Sc. in art conservation from the University of Delaware. From 1995 he was the assistant conservator at the Arizona State Museum, working primarily on an NSF-funded project to upgrade storage and documentation of archaeological organic-based objects. In July 1997 he joined the Rocky Mountain Conservation Center in Denver as objects conservator. Address: Rocky Mountain Conservation Center, 2420 S. University Blvd., Denver, Colo. 80208.

WERNER ZIMMT holds a Ph.D. in chemistry from the University of Chicago and an M.Sc. in archaeology from the University of Pennsylvania. Since his retirement as research chemist from E. I. Du Pont de Nemours, Inc., in 1985, he has been affiliated with the Arizona State Museum and is currently a research associate. Address: Arizona State Museum, University of Arizona, Tucson, Ariz. 85721.