033-065] PreGlacial River Ticona
PreGlacial River Ticona Author: Willman, H.B.
[033-064] The Use of Color Slides as an Aid in Geologic Teaching
The Use of Color Slides as an Aid in Geologic Teaching Author: Wanless, Harold R.
[033-063] Additional Notes on the Geodes of the Warsaw Formation
Additional Notes on the Geodes of the Warsaw Formation Authors: Robertson, Percival and Brooks, Marshall
[033-062] Fusain Content of Fine Sizes of Illinois Coal
Fusain Content of Fine Sizes of Illinois Coal Authors: Parks, Bryan C. and McCabe, L.C.
[033-061] The Use of Pipette Analysis in Clay Research
The Use of Pipette Analysis in Clay Research Author: Rowland, R.A.