Image #MNT-1: Quadrat sampling of above-ground biomass at the Montecillo grassland site, Mexico. (Tinicio "Nicho" Palafox and other research assistants from Colegio de Postgraduados, Chapingo, are clipping grass with shears. Samples are placed in plastic bags and transported to the laboratory for drying and weighing. Photograph taken July 1984 by Dr. J.M.O. Scurlock, ORNL).