USGS-NPS-NASA EAARL Topography

LIDAR Illustration

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Raw Data


Located on this DVD is a folder named LIDAR. Each subfolder within the LIDAR folder contains an edited Lidar DEM GeoTIFF, hillshade grid, contour shapefile, and tile extent shapefile for a specific map tile. The sub-folders are named according to the UTM coordinates of their upper-left corner (in thousands). Each GIS layer has an accompanying XML file that holds the metadata.

There is also a folder named Shapefiles that contains the vector data that was used while creating the PDF maps. These layers include the coastlines of Virginia and Maryland, the boundary of Assateague Island, the boundary of Assateague Island National Seashore, and the Lidar tile centroids.

All files are consistent with the UTM Zone 18 N Coordinate System, NAD83 Datum, and GRS80 Spheroid.

From the list below, select a tile to see a folder of associated GIS layers for that region.


 

Island Topography

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