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These acquisitions of the LiDAR data and its derivatives were made possible by the Natural Resources Conservation Service (NRCS) with help from the United States Geological Survey (USGS). LiDAR data and its derivatives assist in real-world uses around the state of Illinois such as; highway engineering, flood prediction, agricultural land management, mining subsidence, monitoring archaeological features, locating sinkholes and applied geologic science.
The data do not replace the need for detailed site-specific studies. The information is not appropriate for, and is not to be used as, a geodetic, legal, or engineering base. The information has no legal basis in the definition of boundaries or property lines and is not intended as a substitute for surveyed locations such as can be determined by a registered Public Land Surveyor. |
| summary:
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These acquisitions of the LiDAR data and its derivatives were made possible by the Natural Resources Conservation Service (NRCS) with help from the United States Geological Survey (USGS). LiDAR data and its derivatives assist in real-world uses around the state of Illinois such as; highway engineering, flood prediction, agricultural land management, mining subsidence, monitoring archaeological features, locating sinkholes and applied geologic science.
The data do not replace the need for detailed site-specific studies. The information is not appropriate for, and is not to be used as, a geodetic, legal, or engineering base. The information has no legal basis in the definition of boundaries or property lines and is not intended as a substitute for surveyed locations such as can be determined by a registered Public Land Surveyor. |
| accessInformation:
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Natural Resources Conservation Service (NRCS) with help from the United States Geological Survey (USGS) and Digital Aerial Solutions. LLC. |
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| typeKeywords:
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["Data","Service","Image Service","ArcGIS Server"] |
| description:
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The Light Detection and Ranging (LiDAR) dataset is a survey of the NRCS Christian Co. Ill G14PD00970 4 ppm LiDAR Project in Illinois and encompasses 715 square miles. The LiDAR point cloud was flown at a nominal post spacing of 0.5 meters for unobscured areas. The LiDAR data and derivative products produced are in compliance with the U.S. Geological Survey National Geospatial Program Guidelines and Base Specifications, Version 1.0 The flight lines were acquired by Digital Aerial Solutions, LLC. between Dec 2014 and March 2015. Derivative products from the aerial acquisition include: Raw point cloud data in LAS v1.2, classified point cloud data in LAS v1.2, bare earth surface tiles (raster DEM GeoTIFF format), bare earth surface DEMs mosaic (raster DEM ESRI Arc Grid format), control points, project report, and FGDC compliant XML metadata.</SPAN></P></DIV></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The data depicts the elevations at time of survey and are accurate only for that time. Exercise professional judgment in using this data.</SPAN></P></DIV></DIV></DIV> |
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| title:
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IL_Christian_DSM_2015 |
| type:
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Image Service |
| url:
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https://isgs-datagis1:6443/arcgis |
| tags:
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["elevation","Illinois","Christian County","Lidar","Terrain"] |
| culture:
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en-US |
| name:
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IL_Christian_DSM_2015 |
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| spatialReference:
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NAD_1983_HARN_StatePlane_Illinois_West_FIPS_1202_Feet |