Short papers on geologic subjects. The Mt. Simon sandstone in northern Illinois. / J.S. Templeton. Petrology of basal high-purity bed of the Burlington limestone / Donald L. Graf. Pre-glacial gravels in Henry County, Illinois / Leland Horberg. The Neda formation in northeastern Illinois / L. E. Workman.
Templeton, J.S.; Graf, Donald Lee; Horberg, Leland; Workman, L.E.
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