Kenneth C. Johnson and John E. Ebinger
Effects of Prescribed Burns on the Woody Vegetation of a Dry Sand Savanna, Hooper Branch Nature Preserve, Iroquois County, Illinois
Kenneth C. Johnson and John E. Ebinger
Effects of Prescribed Burns on the Woody Vegetation of a Dry Sand Savanna, Hooper Branch Nature Preserve, Iroquois 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.