Topo002d991.7z Apr 2026

: 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

: Many European and South American mapping agencies use "TOPO" prefixes for their digital elevation models (DEM) or vector data. TOPO002d991.7z

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