Her major interest involved mammals from the Miocene period of Louisiana. In the Middle Miocene of Louisiana, a diverse grouping of animals have been discovered consisting of terrestrial, freshwater, and marine vertebrates. Examples include rhinos, giant camels, whales, and gomphotheres. A late Miocene Site in the Tunica Hills was also under study.Schiebout, JA, JH Wrenn, S Ting, JL Hill, MD Hagge, MJ Williams, GS. Boardman, and BB Ellwood (2006) Miocene Vertebrate Fossils Recovered from the Pascagoula Formation in Southeastern Louisiana. Gulf Coast Association of Geological Societies Transactions 56:745-760.
