Paul W. Parmalee Illinois State Museum No description specified. 1-4 (4 Records) Datasets Modoc Rock Shelter, IL (11R5)-1953 Fauna dataset West Pillar 1/4" Screen (1953) Riverton Site, IL (11CW170) 1961 Mollusca data (1916) Riverton Site, IL (11CW170) 1961 vertebrate fauna (1961) Riverton Site, IL (11CW170) 1963 vertebrate fauna (1963)