Up a level |
(1934) The Fusulinids of the Des Moines Series of Iowa by M.L. Thompson, October 1, 1934. University of Iowa
(1952) Revision of the North Central Tremellales, 1952. Senate and Staff
(1962) 1962. Crinoid and Starfish Fossils from LeGrand, Iowa. Natural Resources, Department of
(1967) Capabilities Statement in Fossil Energy Research by Energy & Mineral Resources Research Institute, October 1, 1979. Natural Resources, Department of