Extension of Tazewell glacial substage of western Illinois and eastern Iowa
By: A cooperative study with the Iowa Geological Survey.
Series: Illinois.  State Geological Survey.  Report of investigations,; no. 174
Published: 1954
Place of publication: Urbana
Language: eng
Number of pages: 455
Subjects: Geology -- Illinois.; Geology -- Iowa.; Glacial epoch.
Other titles: Tazewell glacial substage of western Illinois and eastern Iowa.
Notes: Bibliography: p. 455.
Cover title.
"Reprinted from the Geological Society of American bulletin, vol. 65, pp.443-456, 1954."