[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.
[033-060] Aerial Photography
Aerial Photography Author, McDermith, Harry
[033-059] Recent Developments in Oil and Gas in Illinois
Recent Developments in Oil and Gas in Illinois Author: Cobee, G.V.
[033-058] A Restudy of Lesquereux’s Fossil Plant Types from Illinois
A Restudy of Lesquereux’s Fossil Plant Types from Illinois Author: Janssen, R.E.
[033-057] Typical Lower Mississippi Valley Silurian Lithology in Southeastern Wisconsin
Typical Lower Mississippi Valley Silurian Lithology in Southeastern Wisconsin Author: Ball, John R.
[033-056] A Method of Representing the Native Vegetation of a Small Area
A Method of Representing the Native Vegetation of a Small Area Author: Voskuil, Robert J.
[033-055] Climatic Regions of Illinois
Climatic Regions of Illinois Author: Price, D.A.
[033-054] The New Oil Industry of Illinois and its Implications in the Social and Economic Life of Southern Illinois
The New Oil Industry of Illinois and its Implications in the Social and Economic Life of Southern Illinois Author: Ellsworth, Elmer W.