Creator:

U.S. Geological Survey

Description:

This is an index of all the National Elevation Dataset (NED) data tiles available at 1 arc-second resolution (approximately 30m pixels). All elevation values are in meters and, over the continental United States, are referenced to the North American Vertical Datum of 1988 (NAVD 88). The vertical reference will vary in other areas. Download and metadata links are provided for each tile, and are current as of 2021-10-06. To check for updates, see https://apps.nationalmap.gov/downloader/

Theme:

Elevation and Index Map

Subject:

elevation, DEM, and index map

Place:

North America, United States, Canada, and Mexico

Year:

2021

Resource Class:

Datasets

Resource Type:

Raster data

Format:

GeoJSON

File Size:

0.15 MB

Index Map