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Cook County Digital Elevation Model (2022) [Illinois--Cook County]

Cook_County_GIS · 2022 Full Details

Georeferenced: false

Full Details

Title
Cook County Digital Elevation Model (2022) [Illinois--Cook County]
Description
The DEM of Cook County was developed from the DEM tiles that were delivered after the 2022 LiDAR acquisition. This DEM assembles all the tiles into one raster. It displays the bare earth returns of the LiDAR as a raster. There were no data values recorded in the Lidar for a small area of the Calumet Shores Gull Island wetland. The lidar is intended to return surface elevation for waterbodies; however in this instance there is a reflectance error. A corrected value for the surface elevation of 579.26 was calculated using a constant value raster. The original 3 tiffs are available (18508225.tif,18508250.tif, 18758250.tif).
Creator
Cook_County_GIS
Temporal Coverage
2022
Date Issued
2023-06-15
Rights
While efforts have been made to be as accurate as possible, Cook County provides the data for personal use “as is”. The data is not guaranteed to be accurate, correct, or complete. Information provided should not be used as a substitute for legal, business, tax, or other professional advice. The recipient/viewer should contact appropriate regulating agencies to determine accuracy or suitability of the data for a particular use. Cook County or its staff assume no liability whatsoever for any losses that might occur from the use, misuse, or inability to use its geospatial data, maps or websites. All materials appearing on a map, geospatial data or County GIS web site are transmitted without warranty of any kind and are subject to the terms on this disclaimer.
Access Rights
Public
Format
ArcGIS ImageMapLayer
Language
English
Date Added
August 10, 2025
Provenance Statement
The metadata for this resource was last retrieved from Cook Central on 2025-08-24.

Resource Class

Resource Type

Theme

Place

Local Collection

Links

Cite and Reference

  • Citation
    Cook_County_GIS (2023). Cook County Digital Elevation Model (2022) [Illinois--Cook County]. . https://hub-cookcountyil.opendata.arcgis.com/datasets/cookcountyil::cook-county-digital-elevation-model-2022 (web service)
  • BTAA Geoportal Link

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