Upper Mississippi Work Unit 6; Hydro Flattened Bare Earth DEM

A 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.

Esri ArcGIS Server Map Serviceags_mapserver

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Minnesota Elevation Mapping - Lidar HomepageHTML

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Full Metadata RecordHTML

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Informació addicional

Camp	Valor
dsAccessConst	No restrictions apply to these data.
dsCurrentRef	ground condition
dsMetadataUrl	https://resources.gisdata.mn.gov/pub/gdrs/data/pub/us_mn_state_mngeo/elev_lidar_uppermiss2022_wu6/metadata/metadata.html
dsModifiedDate	2025-09-30 23:48:35
dsOriginator	USGS 3DEP
dsPurpose	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. Block6 is approximately 3730 square miles and has 9903 tiles.
gdrsDsGuid	{a38f44b9-d3a9-4926-8fe9-fb7a082124dc}
spatial	{"type":"Polygon","coordinates":[[[-95.1699164148356, 45.7638419867246],[-95.1699164148356, 46.6475460631622], [-93.0396313019486, 46.6475460631622], [-93.0396313019486, 45.7638419867246], [-95.1699164148356, 45.7638419867246]]]}

Dataset extent

Tiles © Esri — Esri, DeLorme, NAVTEQ, TomTom, Intermap, iPC, USGS, FAO, NPS, NRCAN, GeoBase, Kadaster NL, Ordnance Survey, Esri Japan, METI, Esri China (Hong Kong), and the GIS User Community