20241007 10115500 1.0 TRUE Topography (1-Foot Contours) <DIV STYLE="text-align:Left;font-size:12pt"><P><SPAN>This dataset represents elevation contours generated from 2007 LiDAR data. It provides a detailed view of the county's terrain for planning, drainage review, and environmental analysis.</SPAN></P></DIV> Nassau County Property Appraiser's Office (NCPAO) GIS Department. NassauCounty NCPAO Topography Contours Elevation LiDAR Breaklines Terrain One-foot contour lines for Nassau County. <DIV STYLE="text-align:Left;font-size:12pt"><P><SPAN>While useful for broad planning, these contours were generated in 2007 and may not reflect recent site changes. They are not a substitute for a certified topographic survey by a licensed Florida Surveyor.</SPAN></P></DIV>