This data represents LiDAR-derived 1-foot contours for the City of Fond du Lac in Fond du Lac County, Wisconsin in 2009. A contour is a line through all contiguous points of equal elevation value. Contours are vector features used to represent the elevation of a landscape in a relatively familiar way. They are typically used for basemaps and general topographic representation. This data is available in SHP, GDB and DWG formats.