Water Surface Elevation 1 : The height in relation to the NGVD of 1929, of floods of various magnitudes and frequencies in the floodplains of coastal or riverine areas
New Hampshire Floodplain Management Handbook (Appendix B), Glossary, New Hampshire Office of Energy and Planning, NH, USA 2006. http://www.nh.gov/oep/programs/floodplainmanagemen t/documents/NHFloodplainHandbook2006.pdf, (ND/ Flood - Amer) {169}