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 links are provided
for each 1x1-degree tile. 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/
Purpose
Temporal Extent
Currentness Reference
publication date
Time Instant
20211210
Bounding Box
West
-180
East
180
North
84
South
-15
Theme Keyword
elevation
DEM
index map
Theme Keyword Thesaurus
None
ISO Topic Category
elevation
Theme Keyword
Elevation
Index map
Theme Keyword Thesaurus
CUGIR Category
Place Keyword
North America
United States
Canada
Mexico
Place Keyword Thesaurus
LCSH
Temporal Keyword
Access Restrictions
none
Use Restrictions
none
Status
Complete
Maintenance and Update Frequency
Irregular
Point of Contact
Contact Person
Keith Jenkins
Delivery Point
Albert R. Mann Library
City
Ithaca
State
New York
Postal Code
14853
Country
USA
Contact Telephone
607-255-5406
Contact Electronic Mail Address
mann-ref@cornell.edu
Hours of Service
M-F 9:00 a.m. to 4:30 p.m.
Data Quality Information
Attribute Accuracy Report
Attributes derived from The National Map.
Logical Consistency Report
Completeness Report
Includes all NED 1 arc-second data tiles available as of 2021-10-06.
