“…The U.S. Geological Survey Toxic Substances Hydrology Program has held five technical meetings since 1984 with plenary sessions at which the status of research at the site was summarized. Results of the project have been published in proceedings of these technical meetings (Hult, 1984a;Franks, 1987;Ragone, 1988;Mallard and Ragone, 1989;Mallard and Aronson, 1991;Morganwalp and Aronson, in press), in proceedings of other conferences, and in scientific journals. Smith and Hult (1993) Baedecker, M.J., Cozzarelli, I.M., Siegel, D.I., and Bennett, P.C., 1988, Processes related to the distribution of carbon isotopes in ground water affected by crude oil: Geological Society of America Abstracts with Programs, v. 20, no.…”