The flood insurance study, including the flood insurance rate map, dated June 17, 2008, as presently adopted, and as may be amended by the Federal Emergency Management Agency, are adopted by reference and declared to be part of this chapter. Copies of the flood insurance rate maps shall be kept on file with the official zoning map of the city. (Ord. 804 section 3(A), 1987; Ord. 1286, 2008)