MARK A. NEARING

Mark Nearing has a Ph.D. in Civil Engineering (1986) and an M.S. in Soil
Science (1984) from Purdue University.  He has worked as a scientist for the
Agricultural Research Service since 1986.  Most of Dr. Nearing's work has
been in the area of soil erosion and conservation, including the
understanding of basic erosion processes, field measurement of erosion
rates, and the development and testing of soil erosion models.   Recent work
focuses on erosion in semi-arid rangeland environments.