Items where Subject is "Fossils"

1 October 1934

(1934) The Fusulinids of the Des Moines Series of Iowa by M.L. Thompson, October 1, 1934. University of Iowa

1952

(1952) Revision of the North Central Tremellales, 1952. Senate and Staff

1962

(1962) 1962. Crinoid and Starfish Fossils from LeGrand, Iowa. Natural Resources, Department of

1 October 1967

(1967) Capabilities Statement in Fossil Energy Research by Energy & Mineral Resources Research Institute, October 1, 1979. Natural Resources, Department of