Radiocarbon dates from Altonian and Twocreekan deposits at Sycamore, Illinois. - Springfield, IL.

von Kempton, John P.
Veröffentlicht in Transactions of the Illinois State Academy of Science ; 59.1966, no. 1, S. 39-42 : 2 Ill.
1966.

Stratigraphy of the woodfordian and altonian drifts of Central northern Illinois. - Urbana-Champaign, IL.

von Kempton, John P.
Veröffentlicht in The quaternary of Illinois ; 14.1968, S. 27-34 : 5 Ill.
1968.

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.

The late-altonian (Wisconsinan) glacial sequence in northern Illinois. - Springfield, IL.

von Kempton, John P.
Veröffentlicht in International Association for Quaternary Research <8, Boulder-CO> : international congress ; proceedings ; 7. 1968, S. 535-546 : 3 Ill.
1968.

Coordinated mapping of geology and soils for land-use planning. - Urbana, IL.

von MacComas, Murray R.
Veröffentlicht in Environmental geology notes ; 1969, no. 29, 11 S. : 3 Ill.
1969.