Pleistocene stratigraphy of Illinois
By: [by] H. B. Willman and John C. Frye.
Contributors: Frye, John Chapman, 1912- joint author.
Publisher: [State of Illinois Dept. of Registration and Education]
Published: 1970
Place of publication: Urbana, Ill
Language: eng
Number of pages: 204
Subjects: Geology, Stratigraphic -- Pleistocene; Geology, Stratigraphic -- Nomenclature -- Illinois
Notes: Bibliography: p. 136-162.