20240206 12233500 1.0 TRUE Allegheny County Pittsburgh 2015 DEM 6ft Lidar Data Products for the Pittsburgh, PA collection area including a 6ft DEM, 2ft Contours, Voids in the Ground Surface >= 8 meters squared, Voids in the 1st Return Surface 4meters squared, Hydrographic Breaklines, Percent Slope, Degree Slope, 2ft Intensity Rastes, and a 6ft Digital Surface Model (DSM) of the 1st return lidar surface and a normalized DSM (Height Above Ground)).