Topo002d991.7z Apr 2026

: Certain third-party mirrors use these codes to catalog regional terrain data for GPS devices.

: If you have the .7z file, look for a readme.txt or .xml metadata file inside. These files typically list the official citation, the authoring body, and the "paper of record" for the dataset. Common Regions Using This Naming Convention TOPO002d991.7z

If you are looking for the specific research paper that utilizes this file, it is often documented in: : Certain third-party mirrors use these codes to