1. Zirconium content of coarse silt in loess and till of Wisconsinan age in northern Illinois;Alexander,1962
2. Loess distribution in central and eastern Kentucky;Barnhisel,1971
3. Loess identification in soils of southeastern Pennsylvania;Carey;Soil Sci. Soc. Am. J.,1976
4. Elemental distribution in the light mineral isolate of soil separates;Drees,1976
5. Loess stratigraphy, distribution, and time of deposition in Illinois;Fehrenbacher;Soil Sci.,1973