J. Hotopp No description specified. 1-3 (3 Records) Documents Archaeological Explorations Along Iowa Highways (1973) Lambert Site 13Vb82 a Woodland Site On the Lower Des Moines River Van Buren County, Iowa (1977) River Valley Farms Site 13Bn231 a Multicomponent Woodland Site in the Des Moines River Valley Boone County (1979)