This data represents LiDAR-derived bare earth points for Rock County, Wisconsin in 2011. Bare earth LiDAR is digital elevation data of the terrain surface consisting of irregularly spaced points, each with x/y location coordinates and z-value. The data have been subjected to automated and manual editing to remove vegetation, buildings, and other man-made structures. This data is available in LAS, SHP, DWG, and XYZ formats.