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Maryland LiDAR Washington D.C. 2015 - Hillshade [Maryland]

DoIT · 2015 Full Details

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Full Details

Title
Maryland LiDAR Washington D.C. 2015 - Hillshade [Maryland]
Description
Geographic Extent: SANDY_Restoration_VA_MD_DC_QL2 Area of Interest covers approximately 2,002 square miles. Lot #5 contains the full project area Dataset Description: The SANDY_Restoration_VA_MD_DC_QL2 project called for the Planning, Acquisition, processing and derivative products of LiDAR data to be collected at a nominal pulse spacing (NPS) of 0.7 meters. Project specifications are based on the U.S. Geological Survey National Geospatial Program Base LiDAR Specification, Version 1. The data was developed based on a horizontal projection/datum of UTM Zone 18 North, NAD83, meters and vertical datum of NAVD1988 (GEOID12A), meters. LiDAR data was delivered in RAW flight line swath format, processed to create Classified LAS 1.2 Files formatted to 2283 individual 1500m x 1500m tiles, and corresponding Intensity Images and Bare Earth DEMs tiled to the same 1500m x 1500m schema, and Breaklines in ESRI Shapefile format. The data was then converted to a horizontal projection/datum of NAD83 Maryland State Plane Coordinate System, Meters. LiDAR was delivered in Classified LAS 1.2 Files formatted to 328 individual 800 meter x 800 meter tiles, and corresponding Intensity Images and Bare Earth DEMs tiled to the same 800 meter x 800 meter schema, and Breaklines in ESRI Shapefile format. Ground Conditions: LiDAR was collected in Winter 2014, while no snow was on the ground and rivers were at or below normal levels. In order to post process the LiDAR data to meet task order specifications, Quantum Spatial established a total of 59 QA control points and 95 Land Cover control points that were used to calibrate the LiDAR to known ground locations established throughout the SANDY_Restoration_VA_MD_DC_QL2 project area. This is a MD iMAP hosted service. Find more information at https://imap.maryland.gov . Image Service Link: https://lidar.geodata.md.gov/imap/rest/services/WashingtonDC/MD_washingtonDC_2015_hillshade_m/ImageServer
Creator
DoIT
Temporal Coverage
2015
Date Issued
2018-01-25
Rights
The Spatial Data, and the information therein, (collectively the "Data") is provided "as is" without warranty of any kind, either expressed, implied, or statutory. The user assumes the entire risk as to quality and performance of the Data. No guarantee of accuracy is granted, nor is any responsibility for reliance thereon assumed. In no event shall the State of Maryland be liable for direct, indirect, incidental, consequential or special damages of any kind. The State of Maryland does not accept liability for any damages or misrepresentation caused by inaccuracies in the Data or as a result to changes to the Data, nor is there responsibility assumed to maintain the Data in any manner or form. The Data can be freely distributed as long as the metadata entry is not modified or deleted. Any data derived from the Data must acknowledge the State of Maryland in the metadata.
Access Rights
Public
Format
ArcGIS ImageMapLayer
Language
English
Date Added
August 10, 2025
Provenance Statement
The metadata for this resource was last retrieved from Maryland iMap on 2025-08-24.

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Cite and Reference

  • Citation
    DoIT (2018). Maryland LiDAR Washington D.C. 2015 - Hillshade [Maryland]. . https://data.imap.maryland.gov/datasets/maryland::maryland-lidar-washington-d-c-2015-hillshade (web service)
  • BTAA Geoportal Link

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