[035-50]Thickness of Glacial Drift in Du Page County, Illinois
Mason, A.C. Thickness of Glacial Drift in Du Page County, Illinois 035-50-print
[036-38]Bedrock Surface and Thickness of Glacial Drift in Will County, Illinois
Horberg, Leland and Mason, A.C. Bedrock Surface and Thickness of Glacial Drift in Will County, Illinois 036-38-print
[071-35] Radioactive Isotope Studies of the Cosmic Ray Age
Mason, Glenn M. Radioactive Isotope Studies of the Cosmic Ray Age 071-35-print