[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.
[033-053] Geographic Principles and Relationship Sequences , Cozzens,
Geographic Principles and Relationship Sequences Author: Cozzens, A.B.
[033-052] Brittany and Devon-Cornwall: Geographical Twins
Brittany and Devon-Cornwall: Geographical Twins Author: Crompton, Mable
[033-051] The Question of the Geographical Concept, Thinking, and Usage of the Term “Cycle”
The Question of the Geographical Concept, Thinking, and Usage of the Term “Cycle” Author: Brown, Clarence L.