[05-11] On the Earthquake of January 2, 1912, in the Upper Mississippi Valley
On the Earthquake of January 2, 1912, in the Upper Mississippi Valley Author: Udden, Anton D.
[05-09] Correlation of the Devonian System of the Rock Island Region
Correlation of the Devonian System of the Rock Island Region Author: Ekblaw, W. Elmer
[05-08] Geological Sequence in the Vicinity of LaSalle as Revealed by Recent Drilling
Geological Sequence in the Vicinity of LaSalle as Revealed by Recent Drilling Author: Cady, Gilbert H.
[05-07] The Structural Relations of the Oil Fields of Crawford and Lawrence Counties, Illinois
The Structural Relations of the Oil Fields of Crawford and Lawrence Counties, Illinois Author: Blatchley, Raymond S.
[05-06] Conservation Ideals in the Improvement of Plants
Conservation Ideals in the Improvement of Plants Author: Webber, H.J.