[023-34] The Red-Top Production of Southeastern Illinois
The Red-Top Production of Southeastern Illinois Author: Buzzard, Robert G.
[023-33] Austria and Switzerland: Suggestive Similarities and Contrasts
Austria and Switzerland: Suggestive Similarities and Contrasts Author: Blanchard, W.O.
[023-32] The Chalk Cliffs of Dover
The Chalk Cliffs of Dover Author: White, J. Kay
[023-31] Siliceous Sponge Spicules of Pennsylvanian Age from Illinois and Indiana*
Siliceous Sponge Spicules of Pennsylvanian Age from Illinois and Indiana* Author: Weller, J. Marvin
[023-30] The Floating Principle in Ore Formation
The Floating Principle in Ore Formation Author: Stansfield, John
[023-29] On the Geology of Champaign County
On the Geology of Champaign County Author: Savage, T.E.
[023-28] The Stratigraphy of the Middle Devonian of the Tennessee Basin
The Stratigraphy of the Middle Devonian of the Tennessee Basin Author: Peoples, Joe Webb
[023-27] Coal Ball Floras of Illinois
Coal Ball Floras of Illinois Author: Noe, A.C.
[023-26] Notes on the Pennsylvanian Rocks of Jasper County, Illinois
Notes on the Pennsylvanian Rocks of Jasper County, Illinois Author: Needham, C. E.
[023-25] Accelerated Slacking Tests of Some Illinois Coals
Accelerated Slacking Tests of Some Illinois Coals Author: Mitchell, D.R.