Illinoian and Wisconsinan stratigraphy and environments in northern Illinois
Subtitle: the Altonian revised
By: leaders, Richard C. Berg ... [et al.] ; contributors, Richard C. Berg ... [et al.].
Contributors: Berg, Richard C.; Illinois State Geological Survey.; Midwest Friends of the Pleistocene Field Conference (32nd : 1985)
Series: Guidebook -- 19; Guidebook (Illinois State Geological Survey) -- 19.
Publisher: Illinois Dept. of Energy and Natural Resources, State Geological Survey Division
Place of publication: Champaign, IL
Number of pages: 177
Subjects: Geology, Stratigraphic -- Pleistocene -- Guidebooks.; Geology -- Illinois -- Guidebooks.
Notes: "Midwest Friends of the Pleistocene 32nd Field Conference, 1985."

Bibliography: p. 149-155.