Zone AO 3 : Special flood hazard areas inundated by the 100-year flood; with flood depths of 1 to 3 feet (usually sheet flow on sloping terrain); average depths are determined
Ohio Floodplain Management Handbook (A Resource Handbook for Local Officials to Administer Flood Damage Reduction Regulations), Acronyms and Definitions Provided To Familiarize The Reader With Some Common Terms Used In Floodplain Management, OH, USA (Rev.) 2005. http://www.dnr.state.oh.us/Portals/7/floodpln/oh_f loodplain_handbook.pdf, (ND/ Flood - Amer) {453}