Owens, Nicholas L. and John E. Ebinger
Windfall Glacial Drift Hill Prairie, Vermilion County, Illinois: Present Vegetation and Changes Since 1977
PDF: 101-13MS 2801-print
Visible Color Effects in a Positive Ray Tube Containing Helium Author: Knipp, Chas T.
The Physical History of the Upper Mississippi Valley During the Late Paleozoic Author: Van Tuyl, Francis M.
The Thebes Sandstone and Orchard Creek Shale and Their Faunas in Illinois Author: Blackwelder, Eliot
Visible Color Effects in a Positive Ray Tube Containing Helium Author: Knipp, Chas T.
The Physical History of the Upper Mississippi Valley During the Late Paleozoic Author: Van Tuyl, Francis M.