Wisconsinan molluscan faunas of the Illinois Valley region
By: A. Byron Leonard [and] John C. Frye
Contributors: Frye, John Chapman, 1912- joint author
Series: Illinois State Geological Survey. Circular -- no. 304; Circular (Illinois State Geological Survey) -- no. 304.
Publisher: Illinois State Geological Survey
Published: 1960
Place of publication: Urbana
Language: eng
Number of pages: 32
Subjects: Fossil Mollusks; Stratigraphic Paleontology
Notes: Includes bibliographical references (p. 22).