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Filetype description |
 | FileInfo | @EX | National Geographic Maps Map |
 | FILExt | AVM | AVISO Geographic Information System Map File (Wojciech Pomianowski) |
| | FILExt | CAL | QV Map Geographic Coordinates (Touratech) |
 | File Extensions | CNG | National Geographic image |
| | FILExt | ECS | Encrypted Compressed GIS Software Geographic Shape File |
| | File Extensions | EWM | EWView geographic data |
| | File Extensions | GDF | Geographic Data File format |
| | File Extensions | GEOJSON | GeoJSON geographic format |
 | TrID | PRJ | Shapefile Projection metadata (geographic coords)
Header Hexdump: 47 45 4F 47 43 53 5B 22 |
 | Wikipedia | SDS | Self Defining Structure provides for N-dimensional very large datasets using HHCode - geographic information systems and relational database management systems |
| | FILExt | SHP | GIS Software Geographic Shape File |
| | FILExt | SHX | GIS Software Geographic Shape Index File |
| | File Extensions | TAT | ESRI geographic text attribute table |
| | FILExt | TAT | Geographic Text Attribute Table |
| | FILExt | TPG | TOPO! Sync Data File (National Geographic) |
| | FILExt | TPO | TOPO! mapXchange Document (National Geographic) |
| | FILExt | TPP | TOPO! Preferences (National Geographic Maps) |
| | FILExt | TPQ | TOPO!Pro Map Image (National Geographic Maps) |
