Rate of advance of the Woodfordian (Late Wisconsinan) glacial margin in Illinois: stratigraphic and radiocarbon evidence. - Boulder, CO.

von Kempton, John P.
Veröffentlicht in Bulletin of the Geological Society of America ; 82.1971, S. 3245-3250 : 5 Ill.
1971.

Stratigraphy of unconsolidated sediments in the southern part of Lake Michigan. - Urbana, IL.

von Lineback, J. A.
Veröffentlicht in Environmental geology notes ; 35. 1970, 35 S.: 4 Ill. ; 2 Faltill.
1970.