20230925 14233200 1.0 TRUE 2FT Contours 2' contours derived from 2014 LiDAR data. All contours derived from bare-earth LiDAR point returns. The bare earth returns are a representation of the Earth's surface where all man-made structures and vegetation have been removed. DEM: LiDAR_BE_DEM_BES_PDX Grid Size: 1' Bureau of Enviromental Services - Technical Services - Information Systems and Mapping