USGS 3DEPA half-meter (0.5m) cell size Digital Elevation Model (DEM) raster was created from the ground classified lidar points plus the breaklines. The files are delivered in tile format (1000m by 1000m), the rasters are delivered in 32-bit floating point GeoTIFF format (.tif) and adhere to USGS-NGP Lidar Base Specification 2021, rev. A.This task is for providing a spring 2022 leaf-off and snow-free lidar survey over an area of approximately 13,731 square miles. This project will support the 3DEP mission, the Natural Resources Conservation Service (NRCS) high-resolution elevation enterprise, as well as many state and local agencies. Block4 is approximately 2225 sqiuare miles and has 5864 tiles.ground conditionFileselev-lidar-uppermiss2022-wu4engPublicUpper Mississippi Work Unit 4; Hydro Flattened Bare Earth DEM [Minnesota]OtherMinnesotaMinnesota Geospatial Commons