state compilations by Jerry A. Lineback [and others] ; Department of the Interior, United States Geological Survey ; edited and integrated by Gerald M. Richmond and David S. Fullerton
Date
1983
Series
Quaternary geologic atlas of the United States
Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-1420 (NK-16)
based on Hansel and Johnson, 1996 ; revised from Lineback 1979, Killey and Lineback, 1983, Berg and others, 1984, and Berg and others, 1985 ; digitally adapted by Barbara J. Stiff
Date
2000
Series
Illinois State Geological Survey open file series ; 2000-7