5 research outputs found
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Pleistocene molluscan faunas and physiographic history of Pecos Valley in Texas
Bibliography: p. 29.UT Librarie
Types of late Cenozoic gastropods in the Frank Collins Baker Collection, Illinois State Geological Survey.
Report of Investigations No. 20
Chronology and molluscan paleontology of two post-Woodfordian bogs in northeastern Illinois /
Information circular / Illinois State Geological
Wisconsinan molluscan faunas of the Illinois Valley region /
Information circular / Illinois State Geological
Illinoian and Kansan molluscan faunas of Illinois /
Information circular / Illinois State Geological