Title: Type and figured fossils in the Worthen collection at the Illinois State Geological Survey
First published: 1982
Subjects: Catalogs, Catalogs and collections, Fossils, Illinois State Geological Survey, Natural history collections
Places: Champaign, Illinois
People: Amos Henry Worthen (1813-1888)
LC classification: QE105 .A45 no. 524, QE716.U52C49 .A45 no. 524