[034-55] The Urbanization of Southern Illinois and its Relation to National Defense
The Urbanization of Southern Illinois and its Relation to National Defense Author: Van Riper, Joseph E.
[034-54] Water in Southern Illinois
Water in Southern Illinois Author: Krause, Annemarie
[034-53] Original Forest Vegetation in a Glaciated Area
Original Forest Vegetation in a Glaciated Area Author: Icke, Paul W.
[034-052] Growth of Robinson, Illinois
Growth of Robinson, Illinois Author: Cutshall, Alden
[034-51] GopherÂHole Barite Mining in Washington County, Missouri
GopherÂHole Barite Mining in Washington County, Missouri Author: Cozzens, Arthur B.