Contaminated sediments database for the Gulf of Maine, interpretive material for Web site - Buchholtz ten Brink, Marilyn; Manheim, F.T.; Mecray, E.L.; Farrington, J.W.; Fredette, T.J.; Jones, S.; Liebman, M. L.; Larsen, P.; Smith, L.W.; Tripp, B.W.; Wallace Jr., G.T.; Ward, L.; et al. (Open-File Report, 2000)