Benson, J.D., E.A. Mikhailova, J.D. Lanham, V.B. Shelburne, W.C. Stringer, and J. Walker. 2008. Soil and elemental characteristics of selected prairie and rare plant sites in the Piedmont of North and South Carolina. GSA, SSSA, ASA, CSSA, GCAGS, and HGS Joint Annual Meeting in Houston, TX, October 5-9.