John H. Williams has a BA in Geology from Colgate University, and a MS in Geosciences from Pennsylvania State University. John currently is the Groundwater Specialist for the U. S. Geological Survey Water Science Center in New York, and is responsible for technical oversight of the Survey’s groundwater program in the State. In addition, he is an integral part of the Survey’s nationwide training and technology transfer program in borehole geophysical applications for groundwater investigations.