1. Office of Groundwater, Branch of Geophysics U.S. Geological Survey 11 Sherman Place, Unit 5015 Storrs CT 06269 USA
2. AECOM Rocky Hill CT USA
3. Department of Geosciences University of Massachusetts Amherst 611 N. Pleasant St. Amherst MA 01003 USA
4. Living Observatory at Tidmarsh Farms 139 Bartlett Road Plymouth MA 02360 USA