Thomas K. Searight
Geologic History of the Mackinaw Member of the Henry Formation in the Illinois River Valley in Tazewell County, Illinois
Thomas K. Searight
Geologic History of the Mackinaw Member of the Henry Formation in the Illinois River Valley in Tazewell County, Illinois
Recent Advances in Spectroscopy* Author: Michelson, A.A.
The Relation of the State Academy of Science to the Natural History Surrounding the Chicago Academy of Sciences Author: Baker, F.C.
Recent Advances in Spectroscopy* Author: Michelson, A.A.