 Her continuing interest in the testimony contributed by ancient amphoras, their imprinted "bullae" of manufacture and the traces of the goods they carried, were reflected in her contribution to "The Ancient Economy", 2002 She is often called upon to provide dates for amphorae found at otherwise hard-to-date sites, such as shipwrecks.In excavations under her direction west of the Colosseum and on the northeast slopes of the Palatine Hill in Rome, the foundations of the Meta Sudans, a fountain of the Augustan era, were uncovered, together with other remains dating from the Late Republic through the Flavian eras.Nearby, on the lower slopes of the Palatine, her recent excavations showed traces of religious cult dating as far back as the late seventh century BCE.