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USGS National Elevation Dataset

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Abstract: The U.S. Geological Survey has developed a National Elevation Dataset (NED). The NED is a seamless mosaic of best-available elevation data. The 7.5-minute elevation data for the conterminous United States are the primary initial source data. In addition to the availability of complete 7.5-minute data, efficient processing methods were developed to filter production artifacts in the existing data, ... View entire text
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Description: View and access data for the National Elevation Dataset.
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Geographic Coverage
Spatial coordinates   
  N: 76.63   S: 13.71   E: -61.48   W: -177.1

Data Set Citation
Dataset Originator/Creator: U.S. Geological Survey (USGS), EROS Center
Dataset Title: USGS National Elevation Dataset
Dataset Release Date: 1999-01-01
Dataset Release Place: Sioux Falls, SD
Dataset Publisher: U.S. Geological Survey
Version: 1
Data Presentation Form: raster digital data
Online Resource:
Temporal Coverage
Start Date: 1999-02-01
Data Resolution
Latitude Resolution: 30 m
Longitude Resolution: 30 m
Horizontal Resolution Range: 30 meters - < 100 meters
Quality Although these data have been processed successfully on a computer system at
the U.S. Geological Survey, EROS Data Center, no warranty expressed or implied
is made by either regarding the utility of the data on any system, nor shall
the act of distribution constitute any such warranty. The ... View entire text
Use Constraints There is no guarantee of warranty concerning the accuracy of these data. Users should be aware that temporal changes may have occurred since the data was collected and that some parts of these data may no longer represent actual surface conditions. Users should not use these data for critical applications without a full awareness of their limitations. Acknowledgement of the originating agencies would be appreciated in products derived from these data. Any user who modifies the data set is obligated to describe the types of modifications they perform. User specifically agrees not to misrepresent the data set, nor to imply that changes made were approved or endorsed by the U.S. Geological Survey. Please refer to for the USGS disclaimer.
Data Set Progress
Data Center
Earth Resources Observation and Science Center, U.S. Geological Survey, U.S. Department of the Interior Supplemental Info
Data Center URL:

Data Center Personnel
Phone: 605-594-6151, 800-252-4547
Fax: 605-594-6589
Email: lta at
Contact Address:
LTA Customer Services
U.S. Geological Survey
EROS Center
47914 252nd Street
City: Sioux Falls
Province or State: SD
Postal Code: 57198-0001
Country: USA
Distribution Media: HTTP
Fees: None
Phone: (301) 614-6898
Fax: 301-614-5268
Email: Tyler.B.Stevens at
Contact Address:
NASA Goddard Space Flight Center
Global Change Master Directory
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2003-07-25
Last DIF Revision Date: 2015-06-11
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