There are 5 matches

Collection Authorizer Collection name Reference
11189H. Sims Mazon Creek Westphalian - Carboniferous 4 - Illinois Pfefferkorn (1979)
11190H. Sims Galesburg Flora Pennsylvanian - Illinois Pfefferkorn (1979)
12919R. Gastaldo Roof Shale of the Springfield Coal (Illinois Basin) Carboniferous - Illinois Dimichele and Nelson (1989)
23927H. Sims Jackson Co. Loc. 9 Carboniferous - Illinois Jennings (1984)
24651H. Sims Tarter Collection 2 Carboniferous - Illinois Read (1947)

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