Suzanne M. Langlois No description specified. 1-4 (4 Records) Documents Archaeological Investigation at Seip Mound State Memorial 1975 (1977) Archaeological Investigations at Seip Mound State Memorial 1971-1974 (1977) Archaeological Investigations at Seip Mound State Memorial 1976 (1977) Excavation of Section M1 and M2, Mound City Group National Monument (1975)