Defense Mapping Agency (DMA) U.S. 30-Second Elevations

This dataset contains elevations at every 30 seconds of latitude and longitude for the region from 23N to 51N and 130W to 60W (the contiguous United States). These data are current as of August, 1989.

To Access Resource:

Questions? Email Resource Support Contact:

  • datahelp@ucar.edu

Temporal Range

  • Begin:  1989-08
    End:  1989-08

Keywords

Resource Type dataset
Temporal Range Begin 1989-08
Temporal Range End 1989-08
Temporal Resolution N/A
Bounding Box North Lat N/A
Bounding Box South Lat N/A
Bounding Box West Long N/A
Bounding Box East Long N/A
Spatial Representation N/A
Spatial Resolution N/A
Related Links N/A
Additional Information N/A
Resource Format ASCII
Binary
Standardized Resource Format ASCII
Binary
Asset Size 105.56 MB
Legal Constraints

Creative Commons Attribution 4.0 International License
Access Constraints None
Software Implementation Language N/A

Resource Support Name N/A
Resource Support Email datahelp@ucar.edu
Resource Support Organization N/A
Distributor NSF NCAR Geoscience Data Exchange
Metadata Contact Name N/A
Metadata Contact Email datahelp@ucar.edu
Metadata Contact Organization NSF NCAR Geoscience Data Exchange

Author National Geospatial-Intelligence Agency, U. S. Department of Defense
Institute for Telecommunications Science, National Telecommunications and Information Administration, U.S. Department of Commerce
Publisher NSF National Center for Atmospheric Research
Publication Date 1981-07-13
Digital Object Identifier (DOI) https://doi.org/10.5065/1N4V-QE11
Alternate Identifier d756001
Resource Version N/A
Topic Category elevation
Progress completed
Metadata Date 2025-10-09T01:29:35Z
Metadata Record Identifier edu.ucar.gdex::d756001
Metadata Language eng; USA
Suggested Citation National Geospatial-Intelligence Agency, U. S. Department of Defense, Institute for Telecommunications Science, National Telecommunications and Information Administration, U.S. Department of Commerce. (1981). Defense Mapping Agency (DMA) U.S. 30-Second Elevations. NSF National Center for Atmospheric Research. https://doi.org/10.5065/1N4V-QE11. Accessed 13 October 2025.

Harvest Source