Exporting Hoizons from Landmark SeisWorks to x,y,z data file 1. Open Landmark 2. Start Data -> Management -> Seismic Project Manager 3. Start Horizon -> Import/Export -> HIE 4. Choose your seismic project, then File -> Export Horizons from Seisworks 5. Leave the format file as "Default", then type in an output name for your exported horizon. 6. "List" your horizon, then click "OK" 7. It may take a little while to process 8. The output file will be in /pa/seismic_project 9. The output file is compatible with any text editor, the output will be three columns (x, y, and z (depth))